Effusion question for chemistry

label Chemistry
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Gas A has a rate of effusion that is 2.05 times larger than gas B if gas B has a molar mass of 159.8 g/ mil what is the molar mass of gas A
Apr 10th, 2015

rate is inversely proportional to molar mass

so 2.05Ma= 159.8

Ma= 159.8/2.05= 77.95g...................................................best my answer please

Apr 10th, 2015

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