The osmotic pressure of a solution containing simultaneously 0 25 moles of iso propyl alcohol and 0 25 moles of - Chemistry - Solutions

Question

The osmotic pressure of a solution containing simultaneously 0 25
moles of iso propyl alcohol and 0 25 moles of glucose in 2litres of
h2o at 273 K is

Vartika Jain · Accepted Answer

Dear Student,

We know that, π=iCRTFor isopropyl alcohol, πiso= iCRTC=0
252= 0 125i=1πiso= 0
125 RTSimilalrly, for glucoseπglu= iCRTC=0
252= 0 125i=1πglu= 0
125 RTTotal osmotic pressure, π=πiso+πglu=0
125RT+0 125 RT=0 25 RTor, π=0 25×(0
0821)×273=5 60 atm

The osmotic pressure of a solution containing simultaneously 0.25 moles of iso propyl alcohol and 0.25 moles of glucose in 2litres of h2o at 273 K is