a) A solution is made by mixing 350 mL of .5 M hydrofluoric acid with 50 mL of 1.5 M KOH. Calculate the pH of the solution. (b) to the solution above is added 2.00 grams of sodium fluoride. What is the new pH? (c) to the solution from part (a) you add 75 mL of .5 M HCl. What is the new pH? (d) To the solution from part (a) you add 25 mL of .45 M KF, what is the new pH

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter13: Acids And Bases
Section: Chapter Questions
Problem 90QAP: A student prepares 455 mL of a KOH solution, but neglects to write down the mass of KOH added. His...
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a) A solution is made by mixing 350 mL of .5 M hydrofluoric acid with 50 mL of 1.5 M KOH. Calculate the pH of the solution. (b) to the solution above is added 2.00 grams of sodium fluoride. What is the new pH? (c) to the solution from part (a) you add 75 mL of .5 M HCl. What is the new pH? (d) To the solution from part (a) you add 25 mL of .45 M KF, what is the new pH

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