The osmotic pressure of blood is 7.40 atm at `27^(@) C`.The number of mol of glucose to be used per litre for an intravenous injection that is to have the same osmotic pressure as 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`