Vitamin K is involved in normal blood clotting. When 1.17 g of vitamin K is dissolved in 25.0 g of camphor, the freezing point of the solution is lowered by 3.93 C. Look up the freezing point and Kf constant for camphor in the Colligative Constants table. Calculate the molar mass of vitamin K. molar mass: g/mol
Vitamin K is involved in normal blood clotting. When 1.17 g of vitamin K is dissolved in 25.0 g of camphor, the freezing point of the solution is lowered by 3.93 C. Look up the freezing point and Kf constant for camphor in the Colligative Constants table. Calculate the molar mass of vitamin K. molar mass: g/mol
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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Transcribed Image Text:**Vitamin K and Its Role in Blood Clotting**
Vitamin K is essential for normal blood clotting processes.
**Freezing Point Depression Experiment**
In this experiment, 1.17 g of vitamin K is dissolved in 25.0 g of camphor. As a result, the freezing point of the solution drops by 3.93 °C. To perform calculations, reference the freezing point depression constant (\(K_f\)) for camphor from the Colligative Constants table.
**Objective: Calculate the Molar Mass of Vitamin K**
**Data Required:**
- Mass of vitamin K: 1.17 g
- Mass of camphor: 25.0 g
- Freezing point depression: 3.93 °C
- \(K_f\) of camphor: (Refer to the Colligative Constants table)
**Calculation Area:**
- Molar mass (to be filled by the student): ______ g/mol
**Tools:**
- A toolbox option for calculations.
- Scientific notation option: \( \times 10^n \)
**Source Reference:**
- Based on content from "McQuarrie, Rock, and Gallogly 4e - General Chemistry"
- Publisher: University Science Books
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