how many hydrogen atoms are in one mole of ch2cl2

Who is Jason crabb mother and where is she? D. 0.0500, Which of the following contains the greatest number of molecules? B. .ec_price_container_type5:after{ border-color: #666666 transparent transparent #666666; } " Being an outside sales rep -- will use the principles on an everyday basis. Dennis Francois, Nyquist Inc", .ec_product_li, li.ec_product_li{ width:50%; } The sum of the average masses of the atoms in one molecule of a substance, each multiplied by its subscript. The first conversion factor converts from moles of particles to the number of particles. The molar mass is an important property in determining the quantity of a substance present in a given sample. If you have 1.81024 atoms of carbon, how many moles of carbon do you have? representative particles (that's Avogadro's number.) height: 1em !important; status page at https://status.libretexts.org. img.emoji { We begin by calculating the molecular mass of S2Cl2 and the formula mass of Ca(ClO)2. .ec_categorywidget a, .ec_manufacturer_widget a, .ec_pricepoint_widget a, .ec_group_widget a, .ec_cartwidget a{ color:#222222; } It allows determination of the number of molecules or atoms by weighing them. }, The element carbon exists in two primary forms: graphite and diamond. " As a sales seminar, it exceeded most of the previous sales seminars I have attended. Dick Palmer, Auto-Wares", .ec_details_categories{ color:#666666 !important; } The calculated answer (0.5639 mol) is indeed less than 1 mol, so we have probably not made a major error in the calculations. Please be sure you are familiar with the topics discussed in Essential Skills 2 (Section 7.7 "Essential Skills 2") before proceeding to the Conceptual Problems. 1. #ec_current_media_size{ max-width:1300px; } The mole is a unit used to measure the number of atoms, molecules, or (in the case of ionic compounds) formula units in a given mass of a substance. Derive an expression that relates the number of molecules in a sample of a substance to its mass and molecular mass. Atoms Mass percent; Carbon: C: 12.0107: 1: 14.1415: Hydrogen: H: 1.00794: 2: 2.3735: Chlorine: Cl: 35.453: 2: 83.4850 The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100. .ec_cart_input_row > a, .ec_cart_input_row > b, .ec_cart_input_row > strong, .ec_account_order_details_item_display_title > a{ color:#222222; } " Norm was fantastic, energized, friendly, funny and informative. The molecular formula of methane (#CH_4#) suggests that one molecule of this compound consists of 4 atoms of H. So 1 mole of #CH_4# will have 4 mol atom of Hydrogen. Made an educated seminar fun. Tim Maggio, Auto-Wares", 58 grams . same number of atoms. atoms. The mass number is an integer that is approximately equal to the numerical value of the atomic mass. III. This page titled Chapter 1.7: The Mole and Molar Mass is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by Anonymous. It is not so easy. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. Is the problem giving you a starting number of moles for the compound? .ec_details_right{ padding-left:0px; } } D. I, II and III " I believe it to be worthwhile. The numerical value of Avogadro's number, usually written as No, is a consequence of the arbitrary value of one kilogram, a block of Pt-Ir metal called the International Prototype Kilogram, and the choice of reference for the atomic mass unit scale, one atom of carbon-12. bonding relationships to one another, in covalent compounds. The problem for Dalton and other early chemists was to discover the quantitative relationship between the number of atoms in a chemical substance and its mass. [CDATA[ */ display: inline !important; .ec_cartitem_quantity_table > tbody > tr > td > .ec_minus:hover, .ec_cartitem_quantity_table > tbody > tr > td > .ec_plus:hover, .ec_cartitem_quantity_table > tbody > tr > td > .ec_cartitem_update_button:hover{ background-color:#666666 !important; } (, Which solution contains the greatest amount (in mol) of solute? The mole is the basis of quantitative chemistry. The percentage by mass of the elements in a compound is C = 72%, H = 12%, O = 16%. One mole of H 2 O is 6.022 x 10 23 molecules of H 2 O ( Avogadro's number). how many hydrogen atoms in 32.0 grams of CH4 4.8x10^24 a hydrocarbon has a empirical formula of C3H8. .ec_account_order_item_buy_button, .ec_account_order_item_download_button{ background-color:#222222; } The mole concept, which we will introduce here, bridges that gap by relating the mass of a single atom or molecule in amu to the mass of a collection of a large number of such molecules in grams. .ec_account_order_item_buy_button:hover, .ec_account_order_item_download_button:hover{ background-color:#666666; } " As a professional sales person, I felt I had the necessary tools and materials to build a foundation, but Norman provided the blueprint for me to build a mansion. Dick Palmer, Auto-Wares", B Convert from moles to mass by multiplying the moles of the compound given by its molar mass. That is, the molar mass of a substance is the mass (in grams per mole) of 6.022 1023 atoms, molecules, or formula units of that substance. .ec_cart_button_row > .ec_cart_button, .ec_cart_button_row input[type="button"], .ec_cart_button_row a{ background-color:#222222 !important; } Simultaneously, both hydrogen atoms will achieve their respective duplets, and both chlorine atoms will achieve their respective octets, and thereby the situation will be a win-win for all five atoms. .recent_posts .date, What does contingent mean in real estate? This problem has been solved! Verifying Avogadro's Hypothesis Video from HC Communications on YouTube. !function(e,a,t){var r,n,o,i,p=a.createElement("canvas"),s=p.getContext&&p.getContext("2d");function c(e,t){var a=String.fromCharCode;s.clearRect(0,0,p.width,p.height),s.fillText(a.apply(this,e),0,0);var r=p.toDataURL();return s.clearRect(0,0,p.width,p.height),s.fillText(a.apply(this,t),0,0),r===p.toDataURL()}function l(e){if(!s||!s.fillText)return!1;switch(s.textBaseline="top",s.font="600 32px Arial",e){case"flag":return!c([127987,65039,8205,9895,65039],[127987,65039,8203,9895,65039])&&(!c([55356,56826,55356,56819],[55356,56826,8203,55356,56819])&&!c([55356,57332,56128,56423,56128,56418,56128,56421,56128,56430,56128,56423,56128,56447],[55356,57332,8203,56128,56423,8203,56128,56418,8203,56128,56421,8203,56128,56430,8203,56128,56423,8203,56128,56447]));case"emoji":return!c([55357,56424,55356,57342,8205,55358,56605,8205,55357,56424,55356,57340],[55357,56424,55356,57342,8203,55358,56605,8203,55357,56424,55356,57340])}return!1}function d(e){var t=a.createElement("script");t.src=e,t.defer=t.type="text/javascript",a.getElementsByTagName("head")[0].appendChild(t)}for(i=Array("flag","emoji"),t.supports={everything:!0,everythingExceptFlag:!0},o=0;o Ed Winsen, Kemperle Inc. New Jersey", On the molar level, they are interpreted in terms of moles. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. .ec_details_right{ width:53%; margin-left:47%; } #ec_cart_payment_one_column{ display:block; } .ec_details_images, .ec_details_right, .ec_details_customer_reviews_left, .ec_details_customer_reviews_form, .ec_details_customer_review_date{ float:left; margin-left:0px; width:100%; } The original number of oxygen atoms was about 80 times larger than Avogadro's number. Avogadro's number is the fundamental constant that is least accurately determined. Inside Sales and Customer Service Training, how many hydrogen atoms are in one mole of ch2cl2. What is the reflection of the story of princess urduja? " Was a good pace, interesting, fun and seemed to fly by quickly. Dale Brown, TD", .ec_cart_success_title{ color:#222222 !important; } .ec_category_li:nth-child( 2n+1 ){ clear:both; } } .ec_category_li{ width:50%; } There are 4 Hydrogen atoms in one molecule of methane, or 2 .wpb_animate_when_almost_visible { opacity: 1; }. Explanation: According to Amedeo Avogadro, the number of constituent particles in 1 mole of substance is constant. B The formula mass of Ca(ClO)2 is obtained as follows: The molar mass of Ca(ClO)2 is 142.983 g/mol, \( moles\; Ca\left ( ClO \right )_{2}\left [ \dfrac{molar\; mass\; Ca\left ( ClO \right )_{2}}{1\; mol\; Ca\left ( ClO \right )_{2}} \right ]=mass\; Ca\left ( ClO \right )_{2} \), \( 1.75\; mol\; Ca\left ( ClO \right )_{2}\left [ \dfrac{142.983\; g Ca\left ( ClO \right )_{2}}{1\; mol\; Ca\left ( ClO \right )_{2}} \right ]=250.\; g\; Ca\left ( ClO \right )_{2} \). D. 1 g of CCl4, Assuming complete reaction, what volume of 0.200 mol dm-3 HCl(aq) is required to See Answer Question: 1. Now the Answer link. .ec_image_container_none, .ec_image_container_none > div, .ec_image_container_border, .ec_image_container_border > div, .ec_image_container_shadow, .ec_image_container_shadow > div{ min-height:310px; height:310px; } The percentage by mass of the elements in a compound is C = 72%, H = 12%, O = 16%. $('#pageFiles').css('display', 'none'); In this case, the mass given (35.00 g) is less than the molar mass, so the answer should be less than 1 mol. Feedback: On the particulate level, the coefficents of the chemical equation are interpreted in terms of molecules or atoms. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. I will admit I was not looking forward to it, but the information that Im taking I think will improve my sales and has made it worth while. Brian Forsythe, Automotive Paint Specialties, Grants Pass OR", common chemical compounds. {color:#757575;}ul.footer_links a,ul.footer_links C. 100 cm3 of 1.0 mol dm-3 NaOH C Add together the masses to give the molecular mass. One mole is equal to 6.022 x 1023. solution? .ec_categorywidget a:hover, .ec_manufacturer_widget a:hover, .ec_pricepoint_widget a:hover, .ec_group_widget a:hover, .ec_cartwidget a:hover{ color:#666666 !important; } Any readily measurable mass of an element or compound contains an extraordinarily large number of atoms, molecules, or ions, so an extraordinarily large numerical unit is needed to count them. .ec_details_description{ color:#222222 !important; } window._wpemojiSettings = {"baseUrl":"https:\/\/s.w.org\/images\/core\/emoji\/12.0.0-1\/72x72\/","ext":".png","svgUrl":"https:\/\/s.w.org\/images\/core\/emoji\/12.0.0-1\/svg\/","svgExt":".svg","source":{"concatemoji":"https:\/\/www.excelsalesconsulting.com\/wp-includes\/js\/wp-emoji-release.min.js?ver=5.3.6"}}; One mole always has the same number of objects: 6.022 1023. #ec_cart_payment_hide_column{ display:none; } " Very informative even for the veterans in the class! John Henriques", .ec_product_details_star_on:before{ border-bottom-color:#222222; } .ec_product_type6 .ec_product_meta_type6 .ec_product_addtocart{ background-color:#222222 !important; } Even with a good word-processing program, having to click on an icon to get a superscript and then remembering to click off after you type the number can be a real hassle. .ec_product_li:nth-child( 2n+1 ){ clear:both; } #navigation_bar > ul > li > a {font-family:"Droid Sans";}#footer {background-color: rgba(255,255,255, 0.3);} 1 : 2 C. 1 : 6 D. 6 : 1 B Copyright 2019 Excel Sales Consulting Inc. .ec_cart_left{ width:100%; padding-right:0px; border-right:0px; } A. .rss-date, When we consider the behavior of gases in Unit 5, we can use the data to calculate the molecular weight of each gas. {color:#808080;}.breadcrumb a " It really shows me how to properly interact with the customer, and makes you think of the proper way to approach things. How many hydrogen atoms are contained in one mole of ethanol, C2H5OH? CaC2 + 2H20 ---> C2H2 + .ec_details_customer_reviews_row{ color:#222222; } If the molar mass of the hydrocarbon is between 55 and 65 g/mol, what amount (moles) of compound is present, and what is the mass of the sample? This page titled 10.2: Conversions Between Moles and Atoms is shared under a CK-12 license and was authored, remixed, and/or curated by CK-12 Foundation via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request. one mole of N 2 (g) reacts with two moles of H 2 (g) to form one mole of N 2 H 4 (g). hydrogen which will be 6.022 x 1023 molecules of hydrogen which .ec_product_type6 .ec_product_meta_type6 .ec_product_addtocart_container{ float:none; } .ec_category_li:nth-child( 2n+1 ){ clear:both; } The procedure for calculating molecular masses is illustrated in Example 1. Convert grams CH2Cl2 to moles or moles CH2Cl2 to grams Molecular weight calculation: 12.0107 + 1.00794*2 + 35.453*2 Percent composition by element Calculate the molecular weight of a chemical compound .ec_product_li:nth-child( 1n+1 ) .ec_product_editor{ left:227px; } .ec_details_right > form > .ec_details_breadcrumbs.ec_small, .ec_details_right > form > .ec_details_title, .ec_details_right > form > .ec_title_divider, .ec_details_right > form > .ec_details_price, .ec_details_right > form > .ec_details_rating{ display:none; } CH2Cl2 molecular weight Molar mass of CH2Cl2 = 84.93258 g/mol This compound is also known as Methylene Chloride or Dichloromethane. .ec_image_container_none, .ec_image_container_none > div, .ec_image_container_border, .ec_image_container_border > div, .ec_image_container_shadow, .ec_image_container_shadow > div{ min-height:310px; height:310px; } Answers: 2 on a question: 1. Ge Microwave Door Button Broken, {color:#212121;}#navigation_bar > ul > li > a {font-size:12px;}.banner p {font-size:24px;}.template_builder h3, .widget .title h3, .sidebar .title h3 {font-size:18px !important;}h1{ font-size:32px;line-height:140%; }h5{ font-size:17px;line-height:140%; }h6{ font-size:16px;line-height:140%; }body {font-size:13px;line-height:160%;} how many hydrogen atoms in 25.0 grams of water. Any chemical element. I highly recommend Norm\'s classes to those who are committed to earning higher sales numbers. David Simons, BENS PAINT Supply, Orlando, Florida", 4.8x10^24. .ec_product_star_on{ border-bottom-color:#222222 !important; color:#222222; border-bottom-color:#222222; } .ec_category_li{ width:50%; } Since the mass of the gas can also be measured on a sensitive balance, knowing both the number of molecules and their total mass allows us to simply determine the mass of a single molecule in grams. " Norm is high energy and keeps you involved. Scott A. Clark, API Inc", So. Therefore, in a mole of methane molecules, there are 2.4088 x What did the Nazis begin using gas chambers instead of mobile killing units and shooting squads after a while? " I was amazed by [Norms] fresh approach and the countless ideas [he] presented to improve my sales process. Karissa Schlaht, TD", A. .ec_product_quickview_content_title, .ec_product_quickview_content_title > a{ color:#222222 !important; } .ec_product_li:nth-child( 2n+1 ) .ec_product_editor{ left:227px; } This number is referred to as Avogadro's The mole provides a bridge between the atomic world (amu) and the laboratory (grams). " Very worthwhile. The molar mass is defined as the mass in grams of 1 mol of that substance. vertical-align: -0.1em !important; So it is: $$8.66 \cdot 6.02 \cdot 10^{23} = 5.21332 \cdot 10^{24}$$ {color:#141414;}#footer .ec_product_type6 .ec_product_meta_type6 .ec_price_container:after{ border-color:#666666 transparent transparent #666666; } Now the mass of hydrogen = 1 gram mass of chlorine = 35.5 grams Therefore, molar mass of CH2Cl2 = 12 + 2 (1) + 2 (35.5) = 85 grams number of moles = mass / molar mass number of moles of CH2Cl2 = 66.05 / 85 = 0.777 moles One mole of CH2Cl2 contains two moles of Cl and each chlorine mole has Avogadro's number of atoms in it. .ec_product_type6 .ec_product_meta_type6 .ec_product_addtocart:hover, .ec_product_meta_type6 .ec_product_addtocart a.ec_added_to_cart_button:hover{ background-color:#666666 !important; } 1 MOLECULE of CuNH4Cl3 contains 4 H atoms. In the laboratory, for example, the masses of compounds and elements used by chemists typically range from milligrams to grams, while in industry, chemicals are bought and sold in kilograms and tons. " The class is very easy to relate to my own personal experiences & it makes it easy to see how to change for the better! Tyler Zacker King, Caruk and Associates", 40, d = 1.33) which is immiscible with water, it is widely used as a solvent, a paint stripper, and for the removal of caffeine from coffee and tea. .ec_product_li:nth-child( 2n+1 ){ clear:both; } What is the coefficient for O2(g) when the equation below is balanced? The total valence electron available for drawing the CH2Cl2 lewis structure is 20. Taco 218 Repair, This is not the same as molecular mass, which is the mass of a single molecule of well-defined isotopes. Super Class. Jimmy Faulkenberry, Kittrell Auto Parts, Havelock NC", In this case, the mole is used as a common unit that can be applied to a ratio as shown below: 2 mol H + 1 mol O = 1 mol H 2 O How Did James Hunt Die, C. 0.800 Decide whether each statement is true or false and explain your reasoning. width: 1em !important; will be (6.022 x 1023 times 2) atoms of hydrogen which will be 2) What is the formula mass of cobalt(II) acetate tetrahydrate? http://commons.wikimedia.org/wiki/File:Man_responds_to_telephone_call.jpg(opens in new window), http://commons.wikimedia.org/wiki/File:Water-3D-balls-A.png(opens in new window), source@https://flexbooks.ck12.org/cbook/ck-12-chemistry-flexbook-2.0/, status page at https://status.libretexts.org, number of \(\ce{C}\) atoms \(= 4.72 \times 10^{24}\), \(1\) mole \(= 6.02 \times 10^{23}\) atoms, \(1\) mole \(= 6.02 \times 10^{23}\) molecules \(\ce{H_2SO_4}\). .ec_details_mobile_title_area{ display:block; } " This course was about 90% applicable to my daily circumstances. " The best two day sales course that I have attended in my career. The number in a mole is called Avogadros number: 6.022142 x 1023, after the 19th-century Italian scientist who first proposed how to measure the number of molecules in a gas. A. padding: 0 !important; It is called the Avogadro Constant, denoted by L and is equal to 6.0210^23 correct to 2 decimal places. Because the masses of individual atoms are so minuscule (on the order of 1023 g/atom), chemists do not measure the mass of individual atoms or molecules. B. .ec_category_li:nth-child( 1n+1 ) .ec_product_editor{ left:227px; } Show transcribed image text Expert Answer 100% (9 ratings) Transcribed image text: What is error code E01-5 on Toyota forklift. .ec_product_added_to_cart a, .ec_cart_checkout_link{ color:#222222 !important; } It is always a good idea to estimate the answer before you do the actual calculation. Calculate the molecular mass or formula mass of each compound. B Taking the atomic masses from the periodic table, we obtain, \( 2 \times atomic;\ mass\;of\:carbon = 2\;atoms \left( {\dfrac{12.011amu}{atom}} \right) = 24.022\;amu\), \( 6 \times atomic;\ mass\;of\:hydrogen = 6\;atoms \left( {\dfrac{1.0079amu}{atom}} \right) = 6.0474\;amu\), \( 1 \times atomic;\ mass\;of\:oxygen = 1\;atoms \left( {\dfrac{15.9994amu}{atom}} \right) = 15.9994amu\). If you think about it this way, for each molecule of the compound, you have 2 carbons, 6 hydrogen, 1 oxygen. There are more molecules in 0.5 mol of Cl. The concept of the mole allows us to count a specific number of individual atoms and molecules by weighing measurable quantities of elements and compounds. .ec_cart_right > .ec_cart_header.ec_top{ margin-top:15px; } That being said, C3H 7OH represents one molecule of isopropyl alcohol, which has 8 Hydrogen atoms. No hydrogen atoms are connected together. .ec_product_details_star_off:after{ color:#CCCCCC; border-bottom-color:#CCCCCC; } jQuery(document).ready(function(jQuery){jQuery.datepicker.setDefaults({"closeText":"Close","currentText":"Today","monthNames":["January","February","March","April","May","June","July","August","September","October","November","December"],"monthNamesShort":["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"],"nextText":"Next","prevText":"Previous","dayNames":["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"],"dayNamesShort":["Sun","Mon","Tue","Wed","Thu","Fri","Sat"],"dayNamesMin":["S","M","T","W","T","F","S"],"dateFormat":"MM d, yy","firstDay":1,"isRTL":false});}); How can I know how many moles are in 4.0 grams of Hydrogen gas(H 2)? View the full answer. .ec_product_li:nth-child( 1n+1 ){ clear:both; } Follow along and record the measurements to get the relative masses. This is not much help in the laboratory for the typical chemist who only has a balance to weight out chemicals but needs to know how the number of atoms or molecules. It is approximately9 460 800 000 km. {color:#8f8f8f;}ul.footer_links li 1.5 g of an unknown compound 2.1020 hydrogen atoms 3.100g of a substance thatis 2% H by mass 4.100 g of water 5.20 g of hydrogen gas correct 1020 H atoms is much less than 1 mole of H atoms. .ec_category_li{ width:100%; } Get an answer to your question How many hydrogen atoms are there in 5 molecules of CH2Cl2? Convert grams CH2Cl2 to moles or moles CH2Cl2 to grams, Molecular weight calculation: What are the Advantages of indirect cold water system over direct cold water system? = 3 mole hydrogen atoms. Convert between CH2Cl2 weight and moles Elemental composition of CH2Cl2 Formula in Hill system is CH2Cl2 Computing molar mass (molar weight) If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. .ec_image_container_none, .ec_image_container_none > div, .ec_image_container_border, .ec_image_container_border > div, .ec_image_container_shadow, .ec_image_container_shadow > div{ min-height:310px; height:310px; } Legal. Although the mass number is unitless, it is assigned units called atomic mass units (amu). Answer (1 of 4): (NH4+)2 HPO4[2-] 4 H atoms per NH4+ ion 2 NH4+ ions 8 H atoms total 1 H atom per HPO4[2-] ion +8 H atoms 9 H atoms total In one molecule there are 42 + 1 = 9. var ajaxurl = "https://www.excelsalesconsulting.com/wp-admin/admin-ajax.php"; /*color*/#logo h1,#logo h1 a,.head_text h1,.head_text h2,.head_text h3,.head_text h4,.head_text h5,.head_text h6,.content a, .sidebar a, #footer .box.footer.widget a, .tweet_time a, .box .tweet_text a, .box .tweet_text a:hover, .widget_nav_menu ul li a:hover, .widget_categories ul li a:hover, .widget_meta ul li a:hover, .widget_recent_entries ul li a:hover, .widget_pages ul li a:hover, .widget_rss ul li a:hover,.widget_recent_comments ul li a:hover, .banner .featured_text a,.content h1 a:hover,.content h2 a:hover,.content h3 a:hover,.content h4 a:hover,.content h5 a:hover,.content h6 a:hover,.rt-toggle ol li.open .toggle-head,ul.tabs a.current, ul.tabs a.current:hover, ul.tabs a:hover, ul.tabs li.current a,a.read_more, a.read_more:hover,a.more-link,a.more-link:hover,.portfolio_sortables ul li.active a,body .tp-caption a{color:#153f94; }/*link hovers */#logo h1 a:hover,.box .tweet_text a:hover, h1 a:hover,h2 a:hover,h3 a:hover,h4 a:hover,h5 a:hover,h6 a:hover,.box .tweet_text a:hover, ul.tabs a.current:hover, ul.tabs a:hover,a.read_more:hover,a.more-link:hover{color:#153f94; opacity:0.8;filter:alpha(opacity=80);}/*background-color*/.icon-holder,.head_text .arrow,.box:hover > .image-border-bottom,#navigation ul,#navigation_bar > ul > li.current_page_item > a, #navigation_bar > ul > li.current_page_parent > a, #navigation_bar > ul > li.current-menu-ancestor > a , #navigation_bar > ul > li > a:hover, #navigation_bar > ul > li:hover > a,.flex-caption .desc-background,.flex-direction-nav li, .flex-direction-nav li a,.flex-control-nav li a,body .search-bar form input.searchsubmit,.paging li a:hover,.paging li a:hover, .paging li.active a,.post-navigations a,a.banner_button,a.banner_button:hover,.social_tip,.icon-overlay .icon,.blog_list .date ,.rt-toggle ol li .toggle-number,.mobile-date,body span.onsale,.theme-default .nivo-directionNav a ,.theme-default .nivo-caption .desc-background,.theme-default .nivo-directionNav a,body .tp-leftarrow.round, body .tp-rightarrow.round,body .tp-leftarrow.default, body .tp-rightarrow.default,body .tp-caption.r-theme-blue,body .tp-button.auto_color_button, body .tp-button.auto_color_button:hover, body .purchase.auto_color_button, body .purchase.auto_color_button:hover{background-color:#153f94;} ::selection{background-color:#153f94;} ::-moz-selection{background-color:#153f94;} /*border-color*/.logo-holder,ul.tabs a.current, ul.tabs a.current:hover, ul.tabs a:hover, ul.tabs li.current a ,blockquote p,blockquote.alignleft p,blockquote.alignright p{border-color:#153f94;}body,.banner .featured_text,

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how many hydrogen atoms are in one mole of ch2cl2

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