Engineering Board Exam Reviewer · Chemistry · medium
How many times faster does hydrogen (M = 2) effuse than oxygen (M = 32) under the same conditions?
- 16 times
- 4 times
- 2 times
- 8 times
Answer
B. 4 times
Solution
Graham's law: rate₁/rate₂ = M2/M1 = sqrt(32/2) = 4.
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