1.

Insulin is dissolved in a suitable solvent and the osmotic pressure (TT) of solutions of various concentration (g//cm^(3)) C is measured at 20^(@)C. The slope of a plote of TT against C is found to be 4.65xx10^(-3). The molecular weight of the insulin is

Answer»

`3xx10^(5)`
`9xx10^(5)`
`4.5xx10^(5)`
`5.16xx10^(6)`

Solution :`pi=w/mxx(RT)/V`
slope`=(RT)/M`
`M=(RT)/("slope")=(0.0821xx293)/(4.65xx10^(-3)xx10^(-3))=5.16xx10^(6)G`


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