A hydrated salt of Na2SO3 loses 22.22% of its mass on strong heating. The hydrated salt is

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Na2SO3⋅4H2O

Na2SO3⋅6H2O

Na2SO3⋅H2O

Na2SO3⋅2H2O

answer is D.

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Detailed Solution

Grams of H2O=22.277.8×126= 35.95 no. of molecules of H2O=35.9518;2 Hence, hydrate is Na2SO3⋅2H2O

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