A mixture of 1.65xx10^(21) molecules of X and 1.85xx10^(21) molecules – InterviewSolution

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1.	A mixture of 1.65xx10^(21) molecules of X and 1.85xx10^(21) molecules of Y weighs 0.688g. If molecular mass of Y is 187. what is the molecular mass of X?
Answer» SOLUTION :`(Axx1.65xx10^(21))/(6.02xx10^(23))+(187xx1.85xx10^(21))/(6.02xx10^(25))=0.688,Aj=41.35`

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