The pH of a solution is the negative logarithm of the molar concentration of hydronium ion, that is, pH = -log[H,O+] Assuming each solution to be 0.10 mol L, rank the following aqueous solutions in order of decreasing pH In neutral solutions at 25 °C, [H3O+] = 10-7 mol L- and pH = 7. As [H3O+] increases, pH decreases, so acidic solutions have a pH of less than seven. Basic solutions have a pH greater than seven. The hydroxide and hydronium ion concentrations are related by the ion- product constant of water, Ku, as follows: Rank the solutions from the highest to lowest pH To rank items as equivalent, overlap them. • View Available Hint(s) Reset Help Ku = 1.0 x 10 14 = [H3O+][OH ] In the same way as the pH, we can define the pOH as pOH = -log[OH-]. It follows from the K expression that PН + рОН — 14. HCI HOCI N,H4 NaOH Ba(OH)2 Highest pH Lowest pH O The correct ranking cannot be determined. Submit

The pH of a solution is the negative logarithm of the molar concentration of hydronium ion, that is, pH = -log[H,O+] Assuming each solution to be 0.10 mol L, rank the following aqueous solutions in order of decreasing pH In neutral solutions at 25 °C, [H3O+] = 10-7 mol L- and pH = 7. As [H3O+] increases, pH decreases, so acidic solutions have a pH of less than seven. Basic solutions have a pH greater than seven. The hydroxide and hydronium ion concentrations are related by the ion- product constant of water, Ku, as follows: Rank the solutions from the highest to lowest pH To rank items as equivalent, overlap them. • View Available Hint(s) Reset Help Ku = 1.0 x 10 14 = [H3O+][OH ] In the same way as the pH, we can define the pOH as pOH = -log[OH-]. It follows from the K expression that PН + рОН — 14. HCI HOCI N,H4 NaOH Ba(OH)2 Highest pH Lowest pH O The correct ranking cannot be determined. Submit

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 77QAP: Two students were asked to determine the Kb of an unknown base. They were given a bottle with a...

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