1.

Consider separate solutions of 0.500 M C_(2)H_(5)OH_((aq)), 0.100 M Mg_(3)(PO_(4))_(2(aq)), 0.250 M KBr_((aq)) and 0.125 M Na_(3)PO_(4(aq)) at 25^(@)C.Which statement is true about these solutions, assuming all salts to be strong electrolytes ?

Answer»

`0.125 M Na_(3)PO_(4(aq))` has the highest osmotic pressure.
`0.500 M C_(2)H_(5)OH_((aq))` has the highest osmotic pressure.
They all have the same osmotic pressure.
`0.100 M Mg_(3)(PO_(4))_(2(aq))` has the highest osmotic pressure.

ANSWER :C


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