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Osmotic pressure of insulin solution at ...

Osmotic pressure of insulin solution at 298 K is found to be `0.0072atm`. Hence, height of water Column due to this pressure is

A

7.4 mm

B

7.4 cm

C

74 cm

D

760 mm

Text Solution

Verified by Experts

The correct Answer is:
B
p=hdg
But P = 0.0072 atm. Hence, `h=0.0072xx76cm` of Hg column, d = density of `Hg="13.6 g cm"^(-3), g ="981 cm s"^(_2)`
Hence, `P=0.0072xx76xx13.6xx981" (for Hg column)"`
For water, `d="1 g cm"^(-3)`. Hence, for water column
`P=hxx1xx981`
Thus, `hxx981=0.0072xx75xx13.6xx981`
`"or "h=7.4 cm`
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