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OpenStudy (anonymous):
An unknown gas effuses at .850 times the effusion rate of NO2. Estimate the molar mass of the unknown gas.
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OpenStudy (anonymous):
\[\frac{ r1 }{ r2 } = \sqrt{\frac{ M2 }{ M1 }}\]
OpenStudy (anonymous):
r1 = 0.85r2 M2 = 14 + 32 = 46 Find M1...thats all
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