An aqueous solution containing \( 5 \% \) by mass of urea and \( 10 \% \) by mass of glucose. Wh...

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An aqueous solution containing \( 5 \% \) by mass of urea and \( 10 \% \) by mass of glucose. What will be its freezing point \( K_{f} \) for \( \mathrm{H}_{2} \mathrm{O} \) is \( 1.86 \mathrm{~K} \mathrm{~mol}^{-1} \mathrm{~kg} \) ?
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