2H2(g)+o2(g) _____________2H2o1. calculate the number of hydrogen molecules participated in above reaction
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Answer:
2H2+O2→2H2O
Molecular mass of H2=2 g/mol
Molecular mass of O2=32 g/mol
From the balanced chemical equation,
2×2=4 g of hydrogen requires 32 g of Oxygen to react completely
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