Which has the highest molar solubility given the respective ksa? A. PbCOs, 1.5x10-13 B. Pblz. 8.7x109 C. PbS, 8.4x10-28 D. PbSO., 1.8x108 Your answer Ammonia is a weak base (K = 1.8X10 ). What is the pH of 1.2 M ammonia? A. 2.33 B. 4.74 C. 9.26 D. 11.67 Your answer AlpQLSfDoHSTx3St-UM4bnqMxleBdEx_zV4qcU5T5gr2maeyKTyW5g/formResponse A solution of 0.25 mol HF diluted to 1.0L has a hydronium ion concentration of 1.3 x 10-2 M. What is the percent ionization of HF? A. 0.80% B. 1.3% C. 4.2% D. 5.2% Your answer The Ka of hypobromous acid, HOBR, 2.6 x 10. Calculate the pH of a solution which is composed of 0.40 M HOBR and 0.40 M NaOBr. А. 0.40 В. О.80 C. 4.49 D. 8.59 Your answer

Which has the highest molar solubility given the respective ksa? A. PbCOs, 1.5x10-13 B. Pblz. 8.7x109 C. PbS, 8.4x10-28 D. PbSO., 1.8x108 Your answer Ammonia is a weak base (K = 1.8X10 ). What is the pH of 1.2 M ammonia? A. 2.33 B. 4.74 C. 9.26 D. 11.67 Your answer AlpQLSfDoHSTx3St-UM4bnqMxleBdEx_zV4qcU5T5gr2maeyKTyW5g/formResponse A solution of 0.25 mol HF diluted to 1.0L has a hydronium ion concentration of 1.3 x 10-2 M. What is the percent ionization of HF? A. 0.80% B. 1.3% C. 4.2% D. 5.2% Your answer The Ka of hypobromous acid, HOBR, 2.6 x 10. Calculate the pH of a solution which is composed of 0.40 M HOBR and 0.40 M NaOBr. А. 0.40 В. О.80 C. 4.49 D. 8.59 Your answer

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter14: Equilibria In Acid-base Solutions

Section: Chapter Questions

Problem 60QAP: Consider an aqueous solution of HF. The molar heat of formation for aqueous HF is -320.1 kJ/mol. (a)...

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