Question

How many moles of he gad occupy 22.4litre at 30°c and one atmospheric pressure?

Answer 1

Given:-
volume=22.4
temperature = 273+30=303Kelvin
pressure = 1atm
we know that
r=0.0821
$pv = nrt \\ 1 \times 22.4 = n0.0821 \times 303$
solve it and get the answer