# Problem: Using the van't Hoff factors in the table below, calculate the mass of solute required to make each aqueous solution.Van't Hoff factors at 0.05 m concentration in aqueous solutionSoluteExpectedMeasuredNonelectrolyte11NaCl21.9MgSO421.3MgCl232.7K2SO432.6FeCl343.4Calculate the mass of solute required to make 261 mL of a magnesium sulfate solution that has an osmotic pressure of 3.91 atm at 307 K .

###### FREE Expert Solution

Recall the equation used to calculate for osmotic pressure:

Calculate the Molarity of the solution:

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###### Problem Details
Using the van't Hoff factors in the table below, calculate the mass of solute required to make each aqueous solution.
Van't Hoff factors at 0.05 m concentration in aqueous solution
 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 mass of solute required to make 261 mL of a magnesium sulfate solution that has an osmotic pressure of 3.91 atm at 307 K .