Fill in the blanks: A buffer solution is consists of 0.100 M HCN and 0.200 M NaCN. HCN + H₂O <---> H30* + CN K₂ = 6.2 x 10-10 1. What is the pH of this solution? pH = 2. Calculate the pH if 0.025 M HCI is added to the solution. pH = 3. Calculate the pH 0.020 M NaOH is added to the solution (original). pH = Note: Type only your answer, expressed in 3 significant figures.
Fill in the blanks: A buffer solution is consists of 0.100 M HCN and 0.200 M NaCN. HCN + H₂O <---> H30* + CN K₂ = 6.2 x 10-10 1. What is the pH of this solution? pH = 2. Calculate the pH if 0.025 M HCI is added to the solution. pH = 3. Calculate the pH 0.020 M NaOH is added to the solution (original). pH = Note: Type only your answer, expressed in 3 significant figures.
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 32QAP: Enough water is added to the buffer in Question 30 to make the total volume 5.00 L. (a) Calculate...
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