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What is the osmotic pressure, expressed in the unit mmH2O, of a solution containing 125 ug of vitamin B12 (C63H88CoN14O14P) in 2.50 mL H2O at 25 degrees C?

Answer: 9.33 mmH2O
12 years ago

Answers

DrBob222
pi = MRT
Convert ug vitamin B12 to mols mols = grams/molar mass.
Then mol/L = M and substitute into the first equation and solve for pi in atm.
Here is a site to convert atm to H2O.
http://www.aqua-calc.com/convert/pressure/atmosphere
12 years ago

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