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1.2of solution of NaClis isotonic with 7...

`1.2`of solution of `NaCl`is isotonic with `7.2` of solution of glucose .Calculate the van't Hoff factor of `NaCl`solution?

A

2.36

B

`1.50`

C

`1.95`

D

`1.00`

Text Solution

Verified by Experts

The correct Answer is:
C
For isotonic solutions :
`pi_(1)=pi_(2)`
`i_(1)C_(1)RT=i_(2)C_(2)RT`
`i_(1)` for NaCl, `i_(2)=1` for glucose
`i_(1)xx(1.2)/(58.5)xxRT=1xx(7.2)/(180)xxRT`
`i_(1)=1.95`.
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