Question

The chloride of a metal contains 71% chlorine
by weight and the vapour density of its is 50,
the atomic weight of the metal will be -
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Answer 1

Answer:

Molecular weigth =2× vapour density =2×50=100g/mol

100 g of compound contain 71 g of Cl and 29 g of metal.

71 g of Cl corresponds to 2 moles.

29 g of metal corresponds to 1 mole. Hence, the molecular weight of the metal is 29 g/mol.

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