What Is the Osmotic Pressure of a 0 $\circ$ C? Consider AlCl₃ to Be a Strong Electrolyte

Multiple Choice

What is the osmotic pressure of a 0.050 M solution of AlCl₃ in water that is at 0.00 ^$\circ$ C? Consider AlCl₃ to be a strong electrolyte.

A) 8.5 * 10² torr
B) 1.1 atm
C) 2.2 atm
D) 3.4 * 10³ torr