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19/09/2020 10:33 am
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The osmotic pressure of a solution of NaCl is 0.10 atm and that of a glucose solution is 0.20 atm. The osmotic pressure of a solution formed by mixing 1 L of the sodium chloride solution with 2 L of the glucose solution is x × 10–3 atm. x is ………….. (nearest integer)
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19/09/2020 10:37 am
∏ = iCRT = i [n/V]RT
∏final = (π1V1)+ (π2V2)/V1 + V2
∏final = (0.1 x 1) + (0.2 x 2)/3
= (0.1 + 0.4)/3 = 0.5/3 = 500/3 x 10-3 atm
so X = 167