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Characteristics of Equilibrium Constant

An aqueous so...

Question

An aqueous solution of a substance molar mass 240 has osmotic pressure 0.2 atm at 300 K. The density of solution in $g . d m^{3}$ is: $(R = 0.08 l i t r e a t m K^{- 1} m o l^{- 1})$

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Solution

The density of solution is $ρ = \frac{Π M}{R T} = \frac{0.2 a t m \times 240 g / m o l}{0.08 L \cdot a t m / m o l / K \times 300 K} = 2 g / d m^{3}$

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