Multiple Choice
A solution at pH 7 contains a weak acid, HA. The pKa of the acid is 6.5. What is the ratio of [A − ]:[HA]?
A) 1:3
B) 1:1
C) 3:1
D) 10:1
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q26: A buffer solution<br>A) is used to control
Q27: The main blood buffer system is<br>A) H<sub>2</sub>CO<sub>3</sub>\HCO<sub>3</sub><sup>
Q28: Which will dissociate most in water, a
Q29: Which has the greater K<sub>a</sub>, a weak
Q30: A micelle is a structure which<br>A) aggregates
Q32: What is the maximum number of hydrogen
Q33: Hydrogen bonds can only form when the
Q34: Which substance would be the best buffer
Q35: Which of the following characteristics makes for
Q36: Is water an acid or a base?<br>A)