Short Answer
A 0.125 M solution of an acid, HA, which has a Ka value of 4.2 × 10−7, has a pH of ________.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q6: If the H<sup>+</sup> ion concentration in an
Q7: For H<sub>3</sub>PO<sub>4</sub>, a tripotic acid, K<sub>a1</sub> =
Q8: What is the pH of a 1.00
Q9: A solution of sodium cyanide, NaCN, in
Q10: A 0.200 M solution of an acid,
Q12: An aqueous solution of NaOCl would result
Q13: For H<sub>3</sub>PO<sub>4</sub>, a tripotic acid, K<sub>a1</sub> =
Q14: At 60 <sup>°</sup>C the value of K<sub>w</sub>
Q15: The pH of a solution made by
Q16: Selenous acid (H<sub>2</sub>SeO<sub>3</sub>)is a diprotic acid, for