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10 Nov 2019
Acids that ionize extensively in solution are referred to as a. dissociators. b. weak electrolytes. c. Arrhenius acids d. Bronsted-Lowry acids. e. strong acids. According to the Bronsted-Lowry definition, a base a. increases the H_3O^+ concentration in an aqueous solution. b. increases the OH^- concentration in an aqueous solution. c. is a proton acceptor. d. is a proton donor. e. is an electron-pair donor. In the following reaction HCO^-_3(aq) + H_2O(I) rightarrow CO^2-_3(aq) + H_3O^+(aq) a. HCO^-_3 is an acid and H_2O is its conjugate base. b. HCO^-_3 is an acid and CO^2-_3 is its conjugate base. c. H_3O^+ is an acid and HCO^-_3 is its conjugate base. d. H_2O is an acid and CO^2-_3 is its conjugate base. e. H_3O^+ is an acid and CO^2-_3 is its conjugate base. The conjugate acid of HSO^-_ is _____ a. OH^- b. SO^2-_4 c. H_2SO_4 d. H_2O e. H_3O^+ What is the H_3O^+ concentration of an aqueous solution with a pH of 12.17? a. 6.8 times 10^-13 M b. 1.9 times 10^-9 M c. 5.2 times 10^-6 M d. 1.5 times 10^-2 M e. 1.1 M What is the OH^- concentration of an aqueous solution with a pH of 11.45? (K_w = 1.0 times 10^-4) a. 3.5 times 10^-12 M b. 9.4 times 10^-10 M c. 1.1 times 10^-5 M d. 2.8 times 10^-3 M e. 7.8 times 10^-2 M An aqueous solution with a pH of 3.00 is diluted from 2.0 L to 4.0 L. What is the pH of the diluted solution? a. 1.50 b. 1.73 c. 3.00 d. 3.30 e. 6.00
Acids that ionize extensively in solution are referred to as a. dissociators. b. weak electrolytes. c. Arrhenius acids d. Bronsted-Lowry acids. e. strong acids. According to the Bronsted-Lowry definition, a base a. increases the H_3O^+ concentration in an aqueous solution. b. increases the OH^- concentration in an aqueous solution. c. is a proton acceptor. d. is a proton donor. e. is an electron-pair donor. In the following reaction HCO^-_3(aq) + H_2O(I) rightarrow CO^2-_3(aq) + H_3O^+(aq) a. HCO^-_3 is an acid and H_2O is its conjugate base. b. HCO^-_3 is an acid and CO^2-_3 is its conjugate base. c. H_3O^+ is an acid and HCO^-_3 is its conjugate base. d. H_2O is an acid and CO^2-_3 is its conjugate base. e. H_3O^+ is an acid and CO^2-_3 is its conjugate base. The conjugate acid of HSO^-_ is _____ a. OH^- b. SO^2-_4 c. H_2SO_4 d. H_2O e. H_3O^+ What is the H_3O^+ concentration of an aqueous solution with a pH of 12.17? a. 6.8 times 10^-13 M b. 1.9 times 10^-9 M c. 5.2 times 10^-6 M d. 1.5 times 10^-2 M e. 1.1 M What is the OH^- concentration of an aqueous solution with a pH of 11.45? (K_w = 1.0 times 10^-4) a. 3.5 times 10^-12 M b. 9.4 times 10^-10 M c. 1.1 times 10^-5 M d. 2.8 times 10^-3 M e. 7.8 times 10^-2 M An aqueous solution with a pH of 3.00 is diluted from 2.0 L to 4.0 L. What is the pH of the diluted solution? a. 1.50 b. 1.73 c. 3.00 d. 3.30 e. 6.00
Collen VonLv2
19 Mar 2019