A vessel of volume 100ml contains 10%O2 90%unknown gas.The gas defusing in 86second through a small vessel.If pure oxygen under the same condition diffuses in 75 second find the molecular mass of unknown gas. Plz Answer fast ⚡

A vessel of volume 100ml contains 10%O2 90%unknown gas.The gas defusin

1.	A vessel of volume 100ml contains 10%O2 90%unknown gas.The gas defusing in 86second through a small vessel.If pure oxygen under the same condition diffuses in 75 second find the molecular mass of unknown gas. Plz Answer fast ⚡
Answer» tion:Let M 2 and M 1 be the molecular weights of gasesMolecular weight of gases=32Molecular weight of gas MIXTURE= 100(10×32+90×M) =3.2+9×MWe know thatr mixture R oxygen = M oxygen M mixture 7586 = 323.2+0.9×M M=46.75gm