If N1,N2,N3,...... are the number of molecules with molecular masses M – InterviewSolution

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1.	If N1,N2,N3,...... are the number of molecules with molecular masses M1,M2,M3,...... respectively, the mass average molecular mass is expressed as?
Answer» If $N_{1}, N_{2}, N_{3}, . . . . . .$ are the number of molecules with molecular masses $M_{1}, M_{2}, M_{3}, . . . . . .$ respectively, the mass average molecular mass is expressed as?

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