How much does 11.2 liters of oxygen weigh?

univerkov | January 31, 2021 | education

1. We are looking for the number of moles of oxygen by the formula v = V / 22.4, where v is the amount of substance, V is the volume of the substance, 22.4 l / mol is the molar volume of gases.

v = 11.2 / 22.4 = 0.5 mol

2. We are looking for the mass of a substance by the formula m = Mr * v, where m is the mass of the substance, Mr is the molecular mass.

Mr (O2) = 32 g / mol

m = 32 * 0.5 = 16 g

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