Question

To create a buffer that maintains a pH of around 7.54, which solution would you choose?

a. CH3COOH and NaCH3COO
b. HClO and KClO
c. NaOH and HCN
d. HNO3 and KNO3

Answer 1

the answer is A

Step-by-step explanation:

in buffer we use weak acid that resist PH change and ethanoic acid i.e CH3COOH and sodium ethanoate i.e NACH3COO are examples