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A solution containing`8,6` urea in one litre was found to be isotonic with a `5%`(wt./vot.)solution of an organic non-volatile solute. The molecular weight of latter is:A. `348.9`B. `34.89`C. `3489`D. `861.2` |
Answer» Correct Answer - A For two non-electrolytic solutions if isotonic`C_(1)=C_(2)` `:.(8.6)/(60xx1)=(5xx1000)/(mxx100):.m=348.9` |
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