Question: 1. The nonvolatile, nonelectrolyte cholesterol , C 27 H 46 O ( 386.6 g/mol), is soluble in benzene, C 6 H 6 . Calculate the

1.

The nonvolatile, nonelectrolyte cholesterol, C27H46O (386.6 g/mol), is soluble in benzene, C6H6. Calculate the osmotic pressure generated when 11.4 grams of cholesterol are dissolved in 160. ml of a benzene solution at 298 K. The molarity of the solution is __?__ M. The osmotic pressure of the solution is __?__ atmospheres.

2.

The nonvolatile, nonelectrolyte sucrose , C12H22O11 (342.3 g/mol), is soluble in water, H2O. How many grams of sucrose are needed to generate an osmotic pressure of 3.14 atm when dissolved in 239 ml of a water solution at 298 K. __?__ grams sucrose

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