1.

In Victor Mayer's method0.2 gmof an organicsubstance displaced 56 ml of air at STP the molecular weight of the compound

Answer»

56
112
80
28

Solution :Molecular mass
`= (" WT. of organic substance TAKEN")/(" air displaced at STP") xx 22400`
`= (0.2)/(56) xx 224000 = 80`.


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