The volume of a gas was measured with a gas syringe

CHEMISTRY · Single correct · A Level · Chemistry · Amount of substance · Amount of substance

Problem

The volume of a gas was measured with a gas syringe. 0.0673 g of the gas was found to occupy

41.0 \text{ cm}^3

, measured at standard temperature and pressure (

25^\circ\text{C}

and

1.0 \times 10^5 \text{ Pa}

). What is the relative molecular mass of the gas? (1) 28 (2) 32 (3) 40 (4) 44