You have been hired in Dr. Scott's lab and are asked to make a buffer with pH of 9.0. a. What acid/conjugate base pair i

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You Have Been Hired In Dr Scott S Lab And Are Asked To Make A Buffer With Ph Of 9 0 A What Acid Conjugate Base Pair I 1 (16.8 KiB) Viewed 21 times

You Have Been Hired In Dr Scott S Lab And Are Asked To Make A Buffer With Ph Of 9 0 A What Acid Conjugate Base Pair I 2 (18.64 KiB) Viewed 21 times

You have been hired in Dr. Scott's lab and are asked to make a buffer with pH of 9.0. a. What acid/conjugate base pair is best for this solution? Why? b. Calculate the amounts (in moles) of acid/conjugate base you should combine to get 4 L of a 0.25 M solution.

Acid Formic acid Acetic acid Pyruvic acid Lactic acid Malic acid Citric acid Carbonic acid Phosphoric acid Ammonium ion HA HCOOH CH₂COOH CH₂COCOOH CH₂CHOHCOOH HOOCCH, CHOHCOOH HOOC—CH,C…CH, COOH H₂CO H₂PO4 OH NHI COOH K₂ 1.78 x 10 1.76 × 10-5 3.16 × 10-3 1.38 10-4 (1) 3.98 × 10-4 (2) 5.5 x 10-6 (1) 8.14 1074 (2) 1.78 × 10-5 (3) 3.9 × 10-6 (1) 4.3 × 10- (2) 5.6 × 10-1 (1) 7.25 x 10- (2) 6.31 10 (3) 3.98 x 10-13 5.6 × 10-10 pk₂ 3.75 4.75 2.50 3.85 3.40 5.26 3.09 4.75 5.41 6.4 10.2 2.14 7.20 12.4 9.25