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An aqueous solution containing 11.0 g of starch per liter has an osmotic pressure of 3.90 mm Hg at 25 °C.

An aqueous solution containing 11.0 g of starch per liter has an osmotic pressure of 3.90 mm Hg at 25 °C.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Osmotic Pressure of a Starch Solution** An aqueous solution containing 11.0 g of starch per liter has an osmotic pressure of 3.90 mm Hg at 25 °C. This statement describes a chemical property of a starch solution, specifically focusing on its osmotic pressure—a measure of a solution's tendency to absorb water and equalize concentrations when separated by a semi-permeable membrane. The experiment conditions are set at a standard room temperature of 25 °C. Understanding this concept is crucial in fields like chemistry and biology, where osmotic pressure plays a key role in processes such as nutrient absorption and cellular water balance.
Transcribed Image Text:**Osmotic Pressure of a Starch Solution** An aqueous solution containing 11.0 g of starch per liter has an osmotic pressure of 3.90 mm Hg at 25 °C. This statement describes a chemical property of a starch solution, specifically focusing on its osmotic pressure—a measure of a solution's tendency to absorb water and equalize concentrations when separated by a semi-permeable membrane. The experiment conditions are set at a standard room temperature of 25 °C. Understanding this concept is crucial in fields like chemistry and biology, where osmotic pressure plays a key role in processes such as nutrient absorption and cellular water balance.
**Question:** b) What is the freezing point of the solution? (Assume that the molarity and molality are the same for this solution. \( K_{fp}(\text{H}_2\text{O}) = -1.86 \, ^\circ\text{C/m} \).) **Answer:** Freezing point = ______ °C
Transcribed Image Text:**Question:** b) What is the freezing point of the solution? (Assume that the molarity and molality are the same for this solution. \( K_{fp}(\text{H}_2\text{O}) = -1.86 \, ^\circ\text{C/m} \).) **Answer:** Freezing point = ______ °C
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