Solution:
Solution
At 1 STP, 1 mole of a gas is equal to 22.4 L.
Hence, 33.6 L of water vapour corresponds to33.6 / 22.4 ?=1.5 moles.
The molar mass of water is 18 g/mol.
The mass of water is 1.5mol × 18 g/mol = 27g.
The density of water is 1 g/mL.
The volume of water vapour =27g / 1g/mL?=27mL