Ph Study Guide Rated A+

What is the pH of a solution with [H+] = 1.25 mc015-1.jpg 10-10 M? Use mc015-2.jpg. {Ans: 9.90}The pH of a solution decreases by 2.0. How does the hydronium ion concentration of the solution change? {Ans: increases to 100 times the original concentration}How can the pH of a solution be calculated if the pOH is known? {Ans: by subtracting the pOH from 14}A substance with a high [H+ ] would likely have which additional characteristics? {Ans: a low [OH- ] and a low pOH (NOT CORRECT)}What is the equilibrium constant of pure water at 25°C? {Ans: 10-14}Which statement best describes the pH of pure water? {Ans: It is neutral because the concentration of hydronium ions equals that of hydroxide ions.}Which describes an alkaline solution? {Ans: acidic (NOT CORRECT)}Which would most likely be the pH of a highly-corrosive acid? {Ans: 1}Which of these correctly defines the pH of a solution? {Ans: the negative log of the hydronium ion concentration}A solution containing HCl would likely have {Ans: a low pH and a high pOH.}