Solution of 12g of non-electrolyte|LIQUID SOLUTION|JEE MAIN

JEE MAIN 2023

13-4-23_S1

Question

Solution of 12 g of non-electrolyte (A) prepared by dissolving it in 1000 mL of water exerts the same osmotic pressure as that of 0.05 M glucose solution at the same temperature. The empirical formula of A is CH2O. The molecular mass of A is _____ g. (Nearest integer)

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Solution

Sol. For Isotonic solutions $\pi_1=\pi_2$ $$ \begin{aligned} & \Rightarrow C_1=C_2 \\ & \frac{12}{x}=0.05[x \rightarrow \text { Molar Mass of } A] \\ & X=240 \end{aligned} $$

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JEE Main

Chemistry

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