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You need to produce a carbonic (H,CO3)/bicarbonate buffer solution that has a pH of 4.50. You already have a 0.50L solution that contains 0.20 moles of carbonic acid. How many moles of sodium bicarbonate will you need to add to this solution? What will be the new pH if 0.040 moles of sodium hydroxide are added? Ka = 4.5 × 10-7

You need to produce a carbonic (H,CO3)/bicarbonate buffer solution that has a pH of 4.50. You already have a 0.50L solution that contains 0.20 moles of carbonic acid. How many moles of sodium bicarbonate will you need to add to this solution? What will be the new pH if 0.040 moles of sodium hydroxide are added? Ka = 4.5 × 10-7

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter16: Acid-base Equilibria
Section: Chapter Questions
Problem 16.141QP: Ka for formic acid is 1.7 104 at 25C. A buffer is made by mixing 529 mL of 0.465 M formic acid,...
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You need to produce a carbonic (H,CO3)/bicarbonate buffer solution that has a pH of 4.50. You already have a 0.50L solution that contains 0.20 moles of carbonic acid. How many moles of sodium bicarbonate will you need to add to this solution? What will be the new pH if 0.040 moles of sodium hydroxide are added? Ka = 4.5 x 10-7
Transcribed Image Text:You need to produce a carbonic (H,CO3)/bicarbonate buffer solution that has a pH of 4.50. You already have a 0.50L solution that contains 0.20 moles of carbonic acid. How many moles of sodium bicarbonate will you need to add to this solution? What will be the new pH if 0.040 moles of sodium hydroxide are added? Ka = 4.5 x 10-7
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