Osmotic pressure of blood is 7.40 atm, at `27^(@)`C. Number of moles of glucose to be used per litre for an intravenous injection that is to have same osmotic pressure of blood is :

Options

A. 0.3
B. 0.2
C. 0.1
D. 0.4

Answer

A

Explanation

`pi=n/V(RT)`
`n=(piV)/(RT) =(7.40 xx 1)/(0.0821 xx 300) =0.3`