Question

Which weak acid would be best to use when preparing a buffer solution with a pH of 9.60? ☐ an acid with $K_a$ = 4.0 × $10^{-8}$ ☐ an acid with $K_a$ = 2.6 x $10^{-10}$ ☐ an acid with $K_a$ = 4.0 × $10^{-5}$ ☐ an acid with $K_a$ = 3.2 x $10^{-6}$ ☐ an acid with $K_a$ = 1.6 × $10^{-11}$ ☐ an acid with $K_a$ = 5.0 x $10^{-7}$

Name: which weak acid would be best to use when preparing a buffer solution with a ph of 960 an acid with ka 40 10 8 an acid with ka 26 x 10 10 an acid with ka 40 10 5 an acid with ka 32 x 10 11857
Uploaded: 2024-04-27T11:48:56-08:00
Duration: 1 min 48 s
Channel: Adi S
Description: which weak acid would be best to use when preparing a buffer solution with a ph of 960 an acid with ka 40 10 8 an acid with ka 26 x 10 10 an acid with ka 40 10 5 an acid with ka 32 x 10 11857

          Which weak acid would be best to use when preparing a buffer solution with a pH of 9.60?
☐ an acid with $K_a$ = 4.0 × $10^{-8}$
☐ an acid with $K_a$ = 2.6 x $10^{-10}$
☐ an acid with $K_a$ = 4.0 × $10^{-5}$
☐ an acid with $K_a$ = 3.2 x $10^{-6}$
☐ an acid with $K_a$ = 1.6 × $10^{-11}$
☐ an acid with $K_a$ = 5.0 x $10^{-7}$

which weak acid would be best to use when preparing a buffer solution with a ph of 960 an acid with ka 40 10 8 an acid with ka 26 x 10 10 an acid with ka 40 10 5 an acid with ka 32 x 10 11857

Added by Matthew A.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Adi S

04/27/2024

Step 1

We can calculate the pKa using the formula: $pKa = -log(Ka)$ Show more…

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Which weak acid would be best to use when preparing a buffer solution with a pH of 9.60? ☐ an acid with $K_a$ = 4.0 × $10^{-8}$ ☐ an acid with $K_a$ = 2.6 x $10^{-10}$ ☐ an acid with $K_a$ = 4.0 × $10^{-5}$ ☐ an acid with $K_a$ = 3.2 x $10^{-6}$ ☐ an acid with $K_a$ = 1.6 × $10^{-11}$ ☐ an acid with $K_a$ = 5.0 x $10^{-7}$