Question

One litre of a gas at stp weighs 1.16 grams. It can possibly be: a) c2 h2 b)co c)o2 d) ch4

Answer 1

1 litre of gas= 1.16 g
so 22.4 litre has mass equal to molecular mass=22.4×1.16= 26g
now as c2h2 has molar mass=12×2+1×2=26 g
so the gas is expected to be c2h2..