Multiple Choice
The pH of a 0.25 M aqueous solution of hydrofluoric acid, HF, at 25.0°C is 2.03. What is the value of Ka for HF?
A) 2.0 × 10-9
B) 1.1 × 10-9
C) 6.0 × 10-5
D) 3.5 × 10-4
E) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q27: According to the Arrhenius concept,an acid is
Q68: Using the data in the table, which
Q69: Of the acids in the table below,
Q70: The pH of a 0.30 M solution
Q73: Calculate the pOH of a 0.0627 M
Q74: The K<sub>a</sub> of hypochlorous acid (HClO)is 3.0
Q75: What is the pOH of a 0.035
Q76: An aqueous solution contains 0.10 M NaOH.
Q126: Which of the following acids will be
Q138: Of the following acids,_ is not a