Northern cod produce proteins that protect their cells from damage caused by subzero temperatures. Measurements of the osmotic pressure for two "antifreeze" proteins at 18°C yielded the data listed below. Use this information to calculate the molar mass for each of the proteins. Assume these proteins are nonelectrolytes and use the value i = 1.
Required:
If a 54.1 mg sample of protein A in 1.5 mL of water has an osmotic pressure of 0.285 atm, what is the molar mass of protein A?
Answers: 3
.....(1)
= osmotic pressure = 0.285 atm![18^oC=[18+273]=291K](/tpl/images/1361/3277/7621e.png)
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Northern cod produce proteins that protect their cells from damage caused by subzero temperatures. M...
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