SAT II Chemistry : Effusion

Study concepts, example questions & explanations for SAT II Chemistry

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Example Questions

Example Question #1 : Gases

How much faster is the rate of effusion of  than the rate of effusion of ?

Possible Answers:

Correct answer:

Explanation:

By Graham's Law, . The molar mass of  is 2 g/mol and the molar mass of  is 18 g/mol. Thus, 

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