Which of the following scenarios would have a greater osmotic pressure? a) 0.500 M lithium chloride on one side of a semipermeable membrane and pure water on the other side. b) 0.250 M aluminum sulfate on one side of a semipermeable membrane and pure water on the other side. EXPLANATION: greater the difference in osmolarity between each side of the semipermeable membrane, the greater the osmotic pressure.

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