Problem: Calculate the percentage by mass of the indicated element in the following compounds.Hydrogen in ascorbic acid, HC6H7O6, also known as vitamin C.  Express your answer using two significant figures.

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Mass % H:


% mass H=mass H in HC6H7O6molar mass HC6H7O6 ×100


  • molar mass HC6H7O6 = 176.12 g/mol
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Problem Details

Calculate the percentage by mass of the indicated element in the following compounds.

Hydrogen in ascorbic acid, HC6H7O6, also known as vitamin C.  Express your answer using two significant figures.

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