Multiple Choice
A 75.0-mL sample of 0.0500 M HCN (Ka = 6.2 ×10-10) is titrated with 0.370 M NaOH.What is [H+] in the solution after 3.0 mL of 0.370 M NaOH has been added?
A) 6.8 × 10-6 M
B) 2.4 M
C) 1.5 × 10-9 M
D) 1.0 × 10-7 M
E) none of these
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q83: What is the pH of a buffer
Q84: Which of the following statements is true
Q85: What is the equilibrium concentration of ammonium
Q86: At a temperature of 25°C an initally
Q87: What is the pH of a 0.24
Q89: What molar ratio of acetic acid to
Q90: What will happen if a small amount
Q91: What is the hydroxide-ion concentration of a
Q92: What is the pH of the solution
Q93: The following titration curve depicts the titration