If the Temperature is 300K and the concentration of solute(CB) is 0.5, what is the osmotic pressure?

If the Temperature is 300K and the concentration of solute(CB) is 0.5,

1.	If the Temperature is 300K and the concentration of solute(C_B) is 0.5, what is the osmotic pressure?
A.	150R
B.	200R
C.	300R
D.	350R
Answer» B. 200R