Calculate the volume of fluorine gas weighing 3.8 g?

m (F2) = 3.8 g.
n (F2) = m (F2) / Mr (F2) = 3.8 / 38 = 0.1 mol.
Mr (F2) = 38 g / mol.
V (F2) = n (F2) * Vm = 0.1 * 22.4 = 2.24 liters.
Vm = 22.4 l / mol



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