Graham’s law states that the rate of diffusion or effusion of a gas is inversely proportional to the square root of its molar mass. See this law in equation form below. In these equations, r = rate of diffusion or effusion and M = molar mass.Click to see full answer. In respect to this, what is the formula for effusion?Often, it is used to compare the effusion rates of two gases. This is represented by the formula: $frac{ ext{rate of effusion A}}{ ext{rate of effusion B}} = sqrt{frac{M_{B}}{M_{A}}}$ where $M$ refers to molar mass.Also, what affects effusion rate? Graham’s law represent the molar masses of the gases. This equation is known as Graham’s law of effusion. The effusion rate for a gas depends directly on the average velocity of its particles. Thus, the faster the gas particles are moving, the more likely they are to pass through the effusion orifice. Also Know, what is the rate of effusion? Effusion refers to the movement of gas particles through a small hole. Graham’s Law states that the effusion rate of a gas is inversely proportional to the square root of the mass of its particles.Which gas will have the highest rate of effusion?The rate of effusion for a gas is inversely proportional to the square-root of its molecular mass (Graham’s Law). The gas with the lowest molecular weight will effuse the fastest. The lightest, and therefore fastest, gas is helium.
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