Catalase (a liver enzyme) dissolves in water. A 14mL solution containing 0.166g of catalase exhibits an osmotic pressure of 1.2 Torr at 20°C. What is the molar mass of catalase?
a) 2.81x10^5 g/mol
b) 1.81x10^5 g/mol
c) 1.49x10^5 g/mol
d) 1.69x10^5 g/mol
Answer: b) 1.81x10^5 g/mol