The Kb for four bases are CN'- = 1.6 x 10$, CO3²- = 2.1 × 104, NH3 = 1.8 × 10$, F'- = 1.5 × 10-1". If the pH's of 0.50 mol/L solutions of each of these weak bases were measured and they were placed in order from highest pH to lowest the result would be which of the following? a. CN';, CO;²", NH3, F'- b. CO3²,NH3, CN', F'- c. F', CN',NH3,CO;2- d. CO3?,CN';,NH3, F'- none of the above е.

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15. The Kb for four bases are
CN'- = 1.6 x 10$, CO;²- = 2.1 × 104, NH3 = 1.8 × 10-$, F'- = 1.5 × 10-11. If the pH's of 0.50 mol/L solutions of
each of these weak bases were measured and they were placed in order from highest pH to lowest the result
would be which of the following?
a. CN'', CO;²", NH3, F'-
b. CO3?,NH3, CN'", F'-
c. F', CN',NH3,CO;²-
d. CO;²-,CN'-,NH3, F'-
none of the above
е.
Transcribed Image Text:15. The Kb for four bases are CN'- = 1.6 x 10$, CO;²- = 2.1 × 104, NH3 = 1.8 × 10-$, F'- = 1.5 × 10-11. If the pH's of 0.50 mol/L solutions of each of these weak bases were measured and they were placed in order from highest pH to lowest the result would be which of the following? a. CN'', CO;²", NH3, F'- b. CO3?,NH3, CN'", F'- c. F', CN',NH3,CO;²- d. CO;²-,CN'-,NH3, F'- none of the above е.
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