Topical Questions
These questions are keyed to the major topics in the chapter. Usually a question that is answered at the back of this book is paired with a similar one that is not.
The osmotic pressure at 25 °C is 1.79 atm for a solution prepared by dissolving 2.50 g sucrose, empirical formula C12H22O11, in enough water to give a solution volume of 100 mL. Use the osmotic pressure equation to show that the empirical formula for sucrose is the same as its molecular formula.
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