What mass of water is formed by the interaction of 1.5 mol of hydrogen with oxygen?

univerkov | September 5, 2021 | education

1. We make a chemical equation, not forgetting to put down the coefficients:

2H2 + O2 = 2H2O.

2. Find the amount of water substance (H2O):

n (H2O) = n (H2) = 0.5 mol.

3. Find the mass of water (H2O):

m (Н2О) = n * M = 0.5 mol * 22.4 l / mol = 9g.

Answer: m (H2O) = 9g.

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