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Posted by on Thursday, January 31, 2013 at 2:12am.

An organic compund has a molar mass of 178.3g/mol and contains 7.29% hydrogen atoms by mass. How many hydrogen atoms are in each molecule of this compound

  • chemistry - , Thursday, January 31, 2013 at 1:16pm

    1 mol of the compound weighs 178.3 g. It will have 6.02E23 molecules of the organic compound. Then number of H atoms will be 6.02E23 x 0.0729 = ?

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