How many grams of water are formed from 28 liters of hydrogen?

univerkov | July 27, 2021 | education

Given:
V (H2) = 28 l

To find:
m (H2O) -?

Solution:
1) 2H2 + O2 => 2H2O;
2) n (H2) = V (H2) / Vm = 28 / 22.4 = 1.25 mol;
3) n (H2O) = n (H2) = 1.25 mol;
4) m (H2O) = n (H2O) * M (H2O) = 1.25 * 18 = 22.5 g.

Answer: The mass of H2O is 22.5 g.

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