A gaseous mixture contains 40% H_(2) and 60% He, by volume. What is th – InterviewSolution

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1.	A gaseous mixture contains 40% H_(2) and 60% He, by volume. What is the average molecular mass of mixture ?
Answer» Solution :`M_("av")=(SUM(%"by VOL."XX"MOLECULES"))/(100)=(40xx2+60xx4)/(100)=3.20`

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