Hydrogen was added to 25 liters of oxygen. find the mass of water.

univerkov | December 9, 2020 | education

2H2 + O2 = 2H2O
n (O2) = V (O2) / Vm (H2O)
n (O2) = 25 / 22.4 = 1.1 (mol)
n (H2O) = 2n (O2)
n (H2O) = 2 * 1.1 = 2.2 (mol)
m (H2O) = M * n
M (H2O) = 2 + 16 = 18 (g / mol)
m (H2O) = 2.2 * 18 = 39.6 (g)

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