A semi-permeable membrane can withstand an osmotic pressure of 0.75 atm. What molarity of aqueous magnesium bromide solution would reach the limit for this membrane? (Assume RT = 25 L·atm·mol-1)
a) 0.01 M
b) 0.01 mM
c) 0.03 mM
d) 0.03 M
Answer: a) 0.01 M