58) Calculate the osmotic pressure of 0.085 mol L^-1 potassium sulphate solution at 298 K. (assume Van't Hoff factor for potassium sulphate i=2.6)

a) 2.1 bar

b) 64 bar

c) 2.6 bar

d) 5.5 bar

e) 5.5 x 10^2 bar

57) Calculate the boiling point of a 0.150 m MgF2 aqueous solution. Assume complete dissociation of MgF2 (K6=0.512 ^6Cm^-1, Assume ideal Van't Hoff factor for MgF2).

a) 100.15 deg C

b) 99,77 deg C

c) 100.23 deg C

d) 99.92 deg C

e) 100.08 deg C