1.

Methanol and ethanol form nearly an ideal solution at 300 K. A solution is made by mixing 32 g methanol and 23 g ethanol at 300 K. Calculate the partial pressures of its constituents and the total pressure of the solution. ["At 300 K : "P_(CH_(3)OH)="90 mm Hg,"p_(C_(2)H_(5)OH)="51 mm Hg."]

Answer»


Solution :`n_(CH_(3)OH)=32//32 = "1 mol, "n_(C_(2)H_(5)OH)=23//46="0.5 mol."`


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