We’re being asked to determine the solution with the highest osmotic pressure.
The osmotic pressure (Π) of a solution is related to the molarity of the solution:
i = van’t Hoff factor
M = molarity of the solution (in M or mol/L)
R = gas constant (0.08206 atm • L/mol • K)
T = temperature
Which of the following solutions will have the largest osmotic pressure?
a) 0.50 m C6H12O6
b) 0.50 m NaCl
c) 0.50 m K2SO4
d) 0.50 m FeCl3
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