A 230.0 −mL buffer solution initially contains 3.0×10−2 M of HCHO2 and 3.0×10−2 M of NaCHO2. Part A In order to adjust the buffer pH to 4.20, should you add NaOH or HCl to the buffer mixture? Part B What mass of the correct reagent should you add
A 230.0 −mL buffer solution initially contains 3.0×10−2 M of HCHO2 and 3.0×10−2 M of NaCHO2. Part A In order to adjust the buffer pH to 4.20, should you add NaOH or HCl to the buffer mixture? Part B What mass of the correct reagent should you add
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 14QAP: A buffer solution is prepared by adding 5.50 g of ammonium chloride and 0.0188 mol of ammonia to...
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A 230.0 −mL buffer solution initially contains 3.0×10−2 M of HCHO2 and 3.0×10−2 M of NaCHO2.
Part A
In order to adjust the buffer pH to 4.20, should you add NaOH or HCl to the buffer mixture?
Part B
What mass of the correct reagent should you add?
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