Question

Rate of diffusion of gas ‘X’ is 4 times less than that of gas helium. Then molecular weight of gas ‘X’ is​

Answer 1

Answer:

answer...................

Answer 2

Given - Rate of diffusion of X in comparison to helium

Find - Molecular weight of gas X.

Solution - According to Graham's Law of diffusion, rate of diffusion of gas is inversely proportional to square root of molecular weight of the gas. Mathematically it will be represented as -

R1/R2 =√(M2/M1)

Molecular weight of Helium is 4 g/mol.

Keeping the values in equation-

X/4X = √(4/M1)

(1/4)² = 4/M1

M1 = 4*16

M1 = 64 g/mol.

Hence, molecular weight of gas X is 64 g/mol.