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0.534 g of solute is dissolved in 15g of...

0.534 g of solute is dissolved in 15g of water then freezing point temperature changes from `0^(@)C` to `-1.57^(@)C`. Molal depression constant of water, `k_(f)=1.85 K kg mol^(-1)`. Find out :
(i) Molal concentration
(ii) Molecular mass of solute.

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The correct Answer is:
(i) 0.848 (ii) 41.98 amu
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