The osmotic pressure of blood at 37 oC is 7.65 atm. An energy drink contains 200.0 mg of caffeine (MM 194 amu) and 150.0 mg taurine (MM 125 amu) per 100.0 mL.Calculate the osmotic pressure of the solution and explain whether it is isotonic, hypotonic or hypertonic
with blood.

Question

The osmotic pressure of blood at 37 oC is 7.65 atm. An energy drink contains 200.0 mg of caffeine  (MM  194  amu)  and  150.0  mg taurine  (MM  125  amu) per  100.0  mL.Calculate  the osmotic pressure of the solution and explain whether it is    isotonic, hypotonic or  hypertonic 
with blood.

aaronq · Answer

$$\Pi=i*M*R*T$$

i is the van 't Hoff factor
M is molarity
R= 0.08206 L*atm/K*mol 
T is absolute temperature

anonymous · Answer

thanks again I discovered the formula late today. but the one I found had no i