How many liters of oxygen will be released during the decomposition of 7.2 g of water?

univerkov | December 6, 2020 | education

H2 + O2 = 2H2O
m (H20) = 7.2 kg
V (O2) =?
O (H2O) = 7.2 / 18 = 0.4 mol
x / 1 = 0.4 / 2; x = 0.4 / 2 = 0.2 mol (O2)
V (O2) = OVkg = 4.48L
answer: 4.48L

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