Question

Time left for this question :01:25
033.
Which of the following would best buffer a
solution from a pH of 4 to 6?
- Mark(s) - 1
Hydrocyanic acid (pka= 9.2)
Formic acid (pka= 3.7)
Acetic acid (pka= 4.7)
Uric acid (pka= 3.9)​

Answer 1

Explanation:

h cc X glgDyOXt To HL HL cc HL HL up