Rate of Diffusion Graham's Law Formula

Equation for calculate rate of diffusion graham's law is,

Rate = Rate₁ ÷ Rate₂ = √M₂ ÷ M₁

Where:
M₁ = molar mass of gas 1
M₂ = molar mass of gas 2
Rate₁ = rate of effusion of the gas 1
Rate₂ = rate of effusion of the gas 2