19. What is the experimental K of CACO, if the residue after evaporation of a - 1.00 L saturated solution is found to have a mass of 0.006 90 g? CaCOg(8) Ca*(aq) + CO3 (ag) 20. For a saturated silver chromate solution, the molar concentration of CrO is - 6.54'X 10- M, and the K of Ag2CrO4 is 1.12 x 10- at equilibrium. Calculate the concentration of Ag* in the solution. sp Ag2CrO4(s) 2Ag*(aq) + CrO (ag)

19. What is the experimental K of CACO, if the residue after evaporation of a - 1.00 L saturated solution is found to have a mass of 0.006 90 g? CaCOg(8) Ca(aq) + CO3 (ag) 20. For a saturated silver chromate solution, the molar concentration of CrO is - 6.54'X 10- M, and the K of Ag2CrO4 is 1.12 x 10- at equilibrium. Calculate the concentration of Ag in the solution. sp Ag2CrO4(s) 2Ag*(aq) + CrO (ag)

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter15: Complex Ion And Precipitation Equilibria

Section: Chapter Questions

Problem 68QAP

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