If you are to prepare a buffer solution with a pH of 11.00, which weak acid-conjugate base pair from carbonic acid should you use? Justify your answer. How are you going to prepare 50.00 mL of the buffer solution in (D)? The reagents that are provided to you are: 20.00 mL of 0.200 M sodium bicarbonate solution and a bottle of solid NaOH (MM = 39.997 g/mol). What will be the pH of the buffer solution prepared in (E) if 1.00 mL of 0.100 M HCl is added to it?
If you are to prepare a buffer solution with a pH of 11.00, which weak acid-conjugate base pair from carbonic acid should you use? Justify your answer. How are you going to prepare 50.00 mL of the buffer solution in (D)? The reagents that are provided to you are: 20.00 mL of 0.200 M sodium bicarbonate solution and a bottle of solid NaOH (MM = 39.997 g/mol). What will be the pH of the buffer solution prepared in (E) if 1.00 mL of 0.100 M HCl is added to it?
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Chapter16: Acid-base Equilibria
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Problem 16.131QP: A quantity of 0.25 M sodium hydroxide is added to a solution containing 0.15 mol of acetic acid. The...
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Answer part D, E and F only thank you
Transcribed Image Text:2. Carbonic acid (H2CO;) is widely used in the production of sodas, soft drinks, sparkling wines, and other
aerated beverages. It is a diprotic acid with Kal = 4.37 x 10-7 and K2=4.68 x 10-1".
A. Write the stepwise acid ionization equations for carbonic acid and the corresponding Ka expressions.
B. Calculate the concentration of all the species present at equilibrium in a 0.200 M carbonic acid solution.
Show a complete ICE table for each dissociation step.
C. What is the pH of the 0.200 M carbonic acid solution in (B)?
Transcribed Image Text:D. If you are to prepare a buffer solution with a pH of 11.00, which weak acid-conjugate base pair from
carbonic acid should you use? Justify your answer.
E. How are you going to prepare 50.00 mL of the buffer solution in (D)? The reagents that are provided
to you are: 20.00 mL of 0.200 M sodium bicarbonate solution and a bottle of solid NaOH (MM =
39.997 g/mol).
F. What will be the pH of the buffer solution prepared in (E) if 1.00 mL of 0.100 M HCl is added to it?
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