V(CH4)=336 л m(CH4)-?

Question

V(CH4)=336 л m(CH4)-?

Answer 1

n(CH4) = V(CH4)/22,4 = 336/22,4 = 15 моль

m(CH4) = n(CH4) * M(CH4) = 15 * 16 = 240 грамм