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

Answer»

`0.500 M C_(2) H_(5)OH(AQ)` has the highest osmotic pressure
They all have the same osmotic pressure
`0.100 MM g_(3)(PO_(4))_(2)(aq)` has the highest osmotic pressure
`0.125 M Na_(3)PO_(4)` (aq) has the highest osmotic pressure

Solution :`0.5 M C_(2)H_(5)OHimpliespi =0.5 RT`
`0.1 M Mg_(3)(PO_(4))_(2)impliespi=iCRT=(5xx0.1)RT=0.5RT`
`0.250M Kbrimpliespi=iCRT=(2xx0.250)RT=0.5RT`
`0.125M Na_(3)PO_(4)impliespi=iCRT=(4xx0.125)RT=0.5RT`


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