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Three grams of salt of molecular weight ...

Three grams of salt of molecular weight 30 is dissolved in `250 g` of water. The molality of the solution is….

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Three grams of a salt of molecular weight 30 is dissolved in `250 g` of water. The molality of solution is 0.4.
Molality `(m) = (3)/(30) xx (1)/(250) xx 1000 = 0.4`
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