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If six moles of oxygen gas react in excess hydrogen gas, how many grams of H2O will the reaction produce? (Remember to balance the equation first.)

If six moles of oxygen gas react in excess hydrogen gas how many grams of H2O will the reaction produce Remember to balance the equation first class=

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SvetkaChem

Answer:

216 g H2O

Explanation:

O2   +  2H2 ---> 2H2O

1 mol                   2 mol

6 mol                   x mol

x mol H2O = 6 mol O2 * 2 mol H2O/1 mol O2 = 12 mol H2O

M(H2O) = 2*1.0 + 16.0 = 18.0 g/mol

12 mol H2O *(18.0 g/1 mol) = 216 g H2O