ChemistryKinetic theory of matter and gas lawsWAEC
Gas X diffuses four times as fast as oxygen under the same conditions. Find the relative molecular mass of X. [O = 16]
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Answer: D. 2
Rate ∝ 1/√M: 4 = √(32/M), so 32/M = 16 and M = 2.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.