Question

The Table lists initial solute concentrations across a 100 MWCO dialysis membrane. Answer the questions below the table for the condition that would occur when the system reaches equilibrium. Constants you will need are as follows:

R=0.082 L atm/mol K; T=310 K

Solution A	Solution B
2.0 mM CaCl2	4.0 mM Albumin
2.5 mM Glucose	4.0 mM Glucose
3.0 mM NaCl	2.0 mM Urea
1.5 mM Albumin
3.0 mM Urea

1. What is the osmotic pressure (in mmHg) exerted by Solution A? (round to nearest whole number and give units)

2. What direction will water move across the membrane?   Circle one:            A to B                       B to A    

Answer 1

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