Multiple Choice
What is the pH of a 1.2 M pyridine solution that has Kb = 1.9 × 10-9? The equation for the dissociation of pyridine is
C5H5N(aq) + H2O(l) ⇌ C5H5NH+(aq) + OH-(aq) .
A) 4.32
B) 8.72
C) 9.68
D) 10.68
Correct Answer:
Verified
Correct Answer:
Verified
Q17: Which of the following species is amphoteric?<br>A)CO<sub>3</sub><sup>2-</sup><br>B)HF<br>C)NH<sub>4</sub>⁺<br>D)HPO<sub>4</sub><sup>2-</sup><br>E)None
Q78: Calculate the hydroxide ion concentration in an
Q96: Identify the acid that is in car
Q98: The pH of an aqueous solution at
Q99: A container of orange juice at 25°C
Q102: A solution with a hydrogen ion concentration
Q104: Calculate the pH for an aqueous solution
Q124: Determine the [OH⁻] concentration in a 0.169
Q144: Determine the pH of a solution that
Q161: Which one of the following salts,when dissolved