Problem: Use the van't Hoff factors in the table below to calculate each colligative property:Van't Hoff Factors at 0.05 m Concentration in Aqueous SolutionSolute/Expected/MeasuredNonelectrolyte11NaCl21.9MgSO421.3MgCl232.7K2SO432.6FeCl343.4Calculate the osmotic pressure of a 9.3×10−2 M potassium sulfate solution at 306K.
FREE Expert Solution
We are being asked to calculate the osmotic pressure of a 9.3×10−2 M potassium sulfate solution at 306K using the van’t Hoff factor in the table
Osmotic pressure (Π) is given by the equation:
where
i = van't Hoff factor
M = molarity
R = gas constant
T = temperature
Problem Details
| Solute | /Expected | /Measured |
| Nonelectrolyte | 1 | 1 |
| NaCl | 2 | 1.9 |
| MgSO4 | 2 | 1.3 |
| MgCl2 | 3 | 2.7 |
| K2SO4 | 3 | 2.6 |
| FeCl3 | 4 | 3.4 |
Calculate the osmotic pressure of a 9.3×10−2 M potassium sulfate solution at 306K.
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the The Colligative Properties concept. You can view video lessons to learn The Colligative Properties. Or if you need more The Colligative Properties practice, you can also practice The Colligative Properties practice problems.
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Based on our data, we think this problem is relevant for Professor Cleve's class at GENESEO.