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The valency of a metal is 2 and its atom...

The valency of a metal is 2 and its atomic weight is 24. What will be the molecular weight of its
(a) sulphite (b) chloride (c ) chloride?

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(I) Formula of salts bsed on valency of metal.
(ii) Derivation of formulae of the compounds based on the valency of the metal.
(iii) Significance of corresponding molecular weight.
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