Question
1. Calculate the pH of a 0.050 M solution of aspirin (Ka = 3.16 x 10^-4). 2.Calculate the pH of a 0.025 M solution of
1. Calculate the pH of a 0.050 M solution of aspirin (Ka = 3.16 x 10^-4).
2.Calculate the pH of a 0.025 M solution of lidocaine (Kb = 7.93 x 10^-7
3. Calculate the pH of a buffer prepared from solution containing 0.060 M sodium citrate and 0.040 M citric acid (Ka = 8.32 x 10^-4 and pKa = 3.08)
4. Is a buffer supposed to keep the pH of a solution at 7 (neutral)? Explain.
5. What are some of the advantages of using pH paper compared with using a pH meter to determine the pH of a substance?
6. What are some of the advantages of using a pH meter compared with using pH paper?
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Biochemistry Concepts and Connections
Authors: Dean R. Appling, Spencer J. Anthony Cahill, Christopher K. Mathews
1st edition
321839927, 978-0133853490, 133853497, 978-0321839923
