Question

5. It takes 26 s for 10 mL of H, to effuse through a porous membrane. It takes 130 s for 10 mL of
an unknown gas to effuse through the same membrane when both gases are at the same
temperature and pressure. Molecular weight of the unknown gas is
(A) 100
(B) 80
(C) 50
(D) 40​

Answer 1

Answer:

answer is (D) 40

is it correct

Answer 2

Answer:

answer is (D) 40...'.'''''..