Which of the following combinations can produce a buffer solution?

0 ⤊

a. NaCl and CH3CO2H
b. NH4Cl and HNO3
c. KCl and HCN
d. NaCH3CO2 and CH3CO2H
e. NaNO3 and HF

2006-10-31 10:44:26 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

d. buffers contain a mixture of a weak acid and its conjugate base

2006-10-31 10:48:26 · answer #1 · answered by Anonymous · 0⤊ 0⤋

The answer is (d):

CH3COONa --> CH3COO- + Na+

So the solution contains the weak acid CH3COOH and its conjugate base CH3COO-

2006-10-31 19:17:47 · answer #2 · answered by Dimos F 4 · 0⤊ 0⤋