Asked by mickey

pepsin is an enzyme involved in the process of digestion. its molar mass is about 3.50 x 10^-4 g/mol. what is thr osmotic pressure in mm Hg at 30 degree oC of a 0.400g sample of pepsin in 55.0mL of an aqueous solution?
Answered by DrBob222
Here is how you work the problem BUT I don't believe the molar mass is as small as you have it. Check your numbers.
mol pepsin = grams/molar mass = 0.400/? = ?
M = mols/0.055L = ?

pi = MRT
pi in atm.
M = from above
R = 0.08206
T = 273 + 30 = ? K.
Convert atm to mm Hg; atm x 760 = ?
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