How many grams of hydrogen are needed to produce 10 moles of H3PO4?
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P4O10(s)+6H2O(l)→4H3PO4(aq)
Let's now find the relative number of moles of phosphoric acid (H3PO4) using the coefficients of the equation, and the fact that 10.0 mol H2Oreact:
10.0mol H2O(4lmol H3PO46mol H2O)=6.67 mol H3PO4
Now, using the molar mass of H3PO4 (calculated to be 98.00 g/mol), let's find the theoretical mass of phosphoric acid produced:
6.67lmol H3PO4(98.00lg H3PO41mol H3PO4
Let's now find the relative number of moles of phosphoric acid (H3PO4) using the coefficients of the equation, and the fact that 10.0 mol H2Oreact:
10.0mol H2O(4lmol H3PO46mol H2O)=6.67 mol H3PO4
Now, using the molar mass of H3PO4 (calculated to be 98.00 g/mol), let's find the theoretical mass of phosphoric acid produced:
6.67lmol H3PO4(98.00lg H3PO41mol H3PO4
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Answer:
I'm not sure but....its 11
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