1.

A decimolarsolution of potassium ferrocyanide is 50% dissociatd at 300 K . Calculate the osmotic pressureof the solution . Given solution constant (R )= 8.314"JK"^(-1) mol^(-1)

Answer»

Solution :Molar mass of SUCROSE `(C_(12) H_(22) O_(11)) = 342 " gmol"^(-1)`
Molarof mass of urea `(NH_(2)CONH_(2)) = 60 g " mol"^(-1)`, Molar mass of glucose`(C_(6) H_(12)O_(6)) = 180g " mol"^(-1) `
Molarmassof NaCl = 58.5 g`" mol"^(-1)`,
Molar conc. of sucrose = `(34.2)/(342) = 0.1 M ,""`Molar conc of urea `= 60/60 = 1 M ,`


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