Question

the molecular weight of a gas 45 it's density g/L at stp is.... a) 22.4 b) 11.2c)5.7d)2.0

Answer 1

The density of any substance is calculated as Density = mass /volume. One mole of any gas at STP will occupy a volume of 22.4 L (standard molar volume). The gas in question would have a molar mass of 45 g/mol.