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Help with chemistry problem?
How many grams of hydrogen are contained in 46.8g of H3PO4?
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- 7 years agoFavorite Answer
H3PO4 has a MW of 98.0g/mol so there are 46.8g * (1mol/98.0g) = 0.478 moles of H3PO4
0.478 moles of H3PO4 * (3moles of H/1mole H3PO4) = 1.43 moles H
1.43 moles of H * MW of H is 1g/mol so: 1.43 moles of H * (1g/mol of H) = 1.43 grams of Hydrogen in H3PO4
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