A compound has a molar mass of 208.2 g/mol. When 10.45 g of this compound is dissolved in 100.0 g of water, the freezing point of the solution is -2.60oC. The freezing point of pure water is 0.00oC and the Kf is 1.86 oC/m, where m is the solute concentration in molal. Which of the following statement is TRUE about the compound? (C 4) (A) The compound is a nonelectrolyte with the van’t Hoff factor i = 1; (B) The compound is an electrolyte with the van’t Hoff factor i = 2; (C) The compound is an electrolyte with the van’t Hoff factor i > 2, but < 3; (D) The compound is an electrolyte with the van’t Hoff factor i > 1 but < 2;
A compound has a molar mass of 208.2 g/mol. When 10.45 g of this compound is dissolved in 100.0 g of water, the freezing point of the solution is -2.60oC. The freezing point of pure water is 0.00oC and the Kf is 1.86 oC/m, where m is the solute concentration in molal. Which of the following statement is TRUE about the compound? (C 4) (A) The compound is a nonelectrolyte with the van’t Hoff factor i = 1; (B) The compound is an electrolyte with the van’t Hoff factor i = 2; (C) The compound is an electrolyte with the van’t Hoff factor i > 2, but < 3; (D) The compound is an electrolyte with the van’t Hoff factor i > 1 but < 2;
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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A compound has a molar mass of 208.2 g/mol. When 10.45 g of this compound is dissolved in 100.0 g of water, the freezing point of the solution is -2.60oC. The freezing point of pure water is 0.00oC and the Kf is 1.86 oC/m, where m is the solute concentration in molal. Which of the following statement is TRUE about the compound?
(C 4)
(A) The compound is a nonelectrolyte with the van’t Hoff factor i = 1;
(B) The compound is an electrolyte with the van’t Hoff factor i = 2;
(C) The compound is an electrolyte with the van’t Hoff factor i > 2, but < 3;
(D) The compound is an electrolyte with the van’t Hoff factor i > 1 but < 2;
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