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A solution containing 4.2 g of urea in 500 ml was found to be isotonic with a 5% ( wt./vol.)solution of an organic non-volatile solute. The molar mass of the solute is |
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Answer» 35.71 `C_(1)=C_(2)` `(4.2xx1000)/(60xx500)=(5xx1000)/(Mxx100)` `:.M=(5xx500xx60)/(100xx4.2)` `=357.1` |
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