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Which molecule would diffuse faster So, or SO,? Explain your reasoning.


Sagot :

The given question is incomplete. The complete question is:

Which molecule would diffuse faster [tex]SO_2[/tex], or [tex]SO_3[/tex],? Explain your reasoning.

Answer: [tex]SO_2[/tex] will diffuse faster as it has low molecuklar weight.

Explanation:

From Graham's law of diffusion rates, the rate of diffusion of a gas is inversely proportional to the square root of its molar mass.

[tex]Rate\propto \sqrt\frac{1}{M}[/tex]

or [tex]\frac{Rate_1}{Rate_2}\propto \sqrt\frac{M_2}{M_1}[/tex]

Molecular mass of [tex]SO_2[/tex] is 64 g/mol and Molecular mass of [tex]SO_3[/tex] is 80 g/mol

Thus as molecular mass of is less , it will diffuse faster.