If the weight of 5.6 litres of a gas at S.T.P is 11 grams

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

Problem

If the weight of 5.6 litres of a gas at S.T.P is 11 grams, the gas is (1) Phosphine (

PH_3

) (2) Phosgene (

COCl_2

) (3) Nitric oxide (

NO

) (4) Nitrous oxide (

N_2O

)