Catalase (a liver enzyme) dissolves in water. A 10 mL solution containing 0.166 g of catalase exhibits an osmotic pressure of 1.2 Torr at 20◦C. What is the molar mass of catalase?

Question

australopithecus · Answer

http://www.chem.purdue.edu/gchelp/howtosolveit/Solutions/osmoticpressure.html

australopithecus · Answer

convert T to kelvins

Celsius + 273 = degrees kelvin

australopithecus · Answer

1. Find M which is the molarity use that to find the moles
 Molarity = Moles/L
 
2. Then use the grams of catalase and moles of catalase to solve for molecular mass of catalase using the formula:

moles = grams/Molecular Mass