A 25.0 mL sample of 0.150 M hydrazoic acid is titrated with a 0.150 M NaOH solution. What is the pH after 26.0 mL of base is added? The Ka of hydrazoic acid is 1.9 10-5.
A) 2.54
B) 11.47
C) 7.00
D) 4.70
E) 4.74
Question 2
What is the formula for perchloric acid?
A) HClO
B) HClO3
C) HClO4
D) HClO2
E) HCl