When 10 gm of a non-volatile solute is dissolved in 100 gm of benzene its boiling point raised by 1º. What is the molecular mass of solute?
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When 10 gm of a non-volatile solute is dissolved in 100 gm of benzene its boiling point raised by 1º. What is the molecular mass of solute? (K4 for benzene = 2.53 km-1

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Since we know that : $\Delta T_b=K \times m=\frac{2.53 \times 10}{100 m_B} \times 1000$ or, $m=253 \mathrm{gm}$

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