A 0.280 M solution of hydroxylammonium has a pH of 3.30. What is the Ką of hydroxylammonium? O a. 9.0 x 10-7 O b. 6.05 c. 5.0 x 10-4 d. 1.8 x 10-3 e. 2.5 x 10-7 What is the pH of a 0.797 M solution of hydroxylamine, a weak base with a Kp of 9.1 x 10- 9? O a. 9.93 O b. 4.07 O c. 5.96 O d. 8.04 O e. 13.90 A buffer solution containing 0.27 M benzoic acid and 0.33 M of the conjugate base, benzoate, was prepared. The pka of benzoic acid is 4.20. What is the pH of this buffer solution? a. 4.29 b. 4.11 c. 9.89 O d. 2.38 Ое. 4.20 A solution was found to have a pOH of 3.82 at 25 °C. What is the pH of this solution? a. 10.18 O b. -3.82 О с. -17.82 O d. 3.82 е. -10.18
A 0.280 M solution of hydroxylammonium has a pH of 3.30. What is the Ką of hydroxylammonium? O a. 9.0 x 10-7 O b. 6.05 c. 5.0 x 10-4 d. 1.8 x 10-3 e. 2.5 x 10-7 What is the pH of a 0.797 M solution of hydroxylamine, a weak base with a Kp of 9.1 x 10- 9? O a. 9.93 O b. 4.07 O c. 5.96 O d. 8.04 O e. 13.90 A buffer solution containing 0.27 M benzoic acid and 0.33 M of the conjugate base, benzoate, was prepared. The pka of benzoic acid is 4.20. What is the pH of this buffer solution? a. 4.29 b. 4.11 c. 9.89 O d. 2.38 Ое. 4.20 A solution was found to have a pOH of 3.82 at 25 °C. What is the pH of this solution? a. 10.18 O b. -3.82 О с. -17.82 O d. 3.82 е. -10.18
Chemistry by OpenStax (2015-05-04)
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Chapter14: Acid-base Equilibria
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Problem 80E: Novocaine, C13H21O2N2Cl, is the salt of the base procaine and hydrochloric acid. The ionization...
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Question
Transcribed Image Text:A 0.280 M solution of hydroxylammonium has a pH of 3.30. What is the Ką of
hydroxylammonium?
O a. 9.0 x 10-7
O b. 6.05
c. 5.0 x 10-4
d. 1.8 x 10-3
e. 2.5 x 10-7
What is the pH of a 0.797 M solution of hydroxylamine, a weak base with a Kp of 9.1 x 10-
9?
O a. 9.93
O b. 4.07
O c. 5.96
O d. 8.04
O e. 13.90
A buffer solution containing 0.27 M benzoic acid and 0.33 M of the conjugate base,
benzoate, was prepared.
The pka of benzoic acid is 4.20.
What is the pH of this buffer solution?
a. 4.29
b. 4.11
c. 9.89
O d. 2.38
Ое. 4.20
A solution was found to have a pOH of 3.82 at 25 °C. What is the pH of this solution?
a. 10.18
O b. -3.82
О с. -17.82
O d. 3.82
е. -10.18
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