Suggest the identity of a gas if 30 g of it occupies 15.5 dm3 at STP.

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

Problem

Suggest the identity of a gas if 30 g of it occupies 15.5 dm³ at STP. (1) CO₂ (2) H₂ (3) NH₃ (4) C₄H₁₀