Consider separate solutions of 0.500 M C2H5OH(aq), 0.100 M Mg3(PO4)2(aq), 0.250 M KBr(aq) and 0.125 M Na3PO4(aq) at 25oC. Which statement is true about these solutions, assuming all salts to be strong electrolytes?

Question

Consider separate solutions of 0.500 M C₂H₅OH(aq), 0.100 M Mg₃(PO₄)₂(aq), 0.250 M KBr(aq) and 0.125 M Na₃PO₄(aq) at 25^oC. Which statement is true about these solutions, assuming all salts to be strong electrolytes?

0.125 M Na₃PO₄(aq) has the highest osmotic pressure.

0.500 M C₂H₅OH(aq) has the highest osmotic pressure

They all have the same osmotic pressure

0.100 M Mg₃(PO₄)₂(aq) has the highest osmotic pressure.

Solution

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