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Chemistry
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Gas "A" has rate of effusion that is 1.81 times larger than gas "B" . If gas B molar mass of 273.1 g/mol, what is the molar mass of gas A?

Apr 10th, 2015

rate of A= 1.81 times B

ra/rb=1.81

(Ma*ra)^0.5=(Mb*rb)^0.5

(Ma*ra/rb)^0.5=Mb^0.5

(1.81Ma)^0.5=273.1^0.5

1.81Ma= 273.1

Ma= 150.88 g/mol....................................best this answer


Apr 10th, 2015

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