Equal volumes of glucose solution at 300 K and sucrose solution at 300 K are mixed without change in temperature. If the osmotic pressure of glucose solution, sucrose solution and the mixture of two s

Question

Equal volumes of $M/20$ glucose solution at 300 K and $M/20$ sucrose solution at 300 K are mixed without change in temperature. If the osmotic pressure of glucose solution, sucrose solution and the mixture of two solutions are $\pi_1, \pi_2$ and $\pi_3$, respectively, then

Prashant Kotian · Accepted Answer

Correct answer: A. Both initial solutions are non-electrolytes with the same molarity () at the same temperature, so they have the same initial osmotic pressure: . Mixing equal volumes of solutions results in a final mixture with the same total molarity (). Thus, its osmotic pressure remains unchanged: . Therefore, correct answer is A.

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