1. Which of the ff. is NOT true for K? a. It is dimensionless. b. It is independent on temperature. c. A reaction is spontaneous if K is greater than I. d. Concentration of species in the expression is in molarity (M). e. All are correct 2. If Ka for the acid is 2.51 x 10s at 25°C, what is the Kb of the conjugate base? a. 3.98 x 1010 b. 3.98 x 1010 c. 2.51 x 10$ d. 2.51 x 10-19 e. 1.63 x 10s 3. What is the equilibrium-constant expression of the dissociation of H3ASO4 to H3O* and AsO ? [H30*] [As043-] [H3ASO,) а. Ка d. Ka (H3ASO, (H30*]³ [AsO43-] b. Ka = (H30+] [As043-} [H30*)³ [AsO4³¬] [H3ASO,][H20] Ka : (H30*)° [As043-] [H3ASO4) е. %3D с. Ka :
1. Which of the ff. is NOT true for K? a. It is dimensionless. b. It is independent on temperature. c. A reaction is spontaneous if K is greater than I. d. Concentration of species in the expression is in molarity (M). e. All are correct 2. If Ka for the acid is 2.51 x 10s at 25°C, what is the Kb of the conjugate base? a. 3.98 x 1010 b. 3.98 x 1010 c. 2.51 x 10$ d. 2.51 x 10-19 e. 1.63 x 10s 3. What is the equilibrium-constant expression of the dissociation of H3ASO4 to H3O* and AsO ? [H30*] [As043-] [H3ASO,) а. Ка d. Ka (H3ASO, (H30*]³ [AsO43-] b. Ka = (H30+] [As043-} [H30*)³ [AsO4³¬] [H3ASO,][H20] Ka : (H30*)° [As043-] [H3ASO4) е. %3D с. Ka :
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter16: Acids And Bases
Section: Chapter Questions
Problem 19QAP: . How is the strength of an acid related to the fact that a competition for protons exists in...
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