Multiple Choice
What is the pH of a solution that is 0.14 M in acetic acid,HC2H3O2,and 0.50 M in sodium acetate,NaC2H3O2,at 25°C? Ka of acetic acid is 1.8 × 10-5.
A) 4.19
B) 1.23
C) 4.74
D) 2.47
E) 5.30
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q44: Which of the following reactions is associated
Q45: Saccharin is a weak organic base with
Q46: In a 0.10 M solution of sodium
Q47: What is K<sub>a</sub> for a weak monoprotic
Q48: What is K<sub>c</sub> for the following equilibrium?
Q50: What is the hydronium-ion concentration of a
Q51: What is K<sub>a</sub> at 25°C for the
Q52: Which of the following substances,if added to
Q53: An initially 1.0 M aqueous solution of
Q54: A 25.00-mL sample of propionic acid,HC<sub>3</sub>H<sub>5</sub>O<sub>2</sub>,of unknown