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At `17^(@)C` the osmotic pressure of an aqueous of sucrose is `1.855 atm` per `150 mL` solution. Calculate the weight of sucrose in solution. |
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Answer» Correct Answer - 4 `pi V = nST = (w)/(m)ST` `pi = 1.855 atm`., `V = (150)/(1000) = 0.15 litre`, `w = ?` `T = 17+273 = 290K, m = 342`, `S = 0.0821 "litre atm" K^(-1) mol^(-1)` `:. W = (pi Vm)/(ST) = (1.855 xx 0.15)/(0.0821 xx 290) ~~ 4 g` |
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