1.

1 litre of a solution containing 500 g of a protein exerts an osmotic pressure of 0.82 atm at 27^(@)C. The molecular mass of the protein is :

Answer»

82000
50000
41000
15000

Solution :`piV=W_(2)/M_(2) RT,`
`:. 0.82 XX 1 = 500/M_(2) xx 0.0821 xx 300,`
`M_(2) = (500 xx 0.0821 xx 300)/0.82 = 15000`


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