Which one of the following is a buffer?
A. CH3COOH + CH3COONa
B. CH3COOH + CH3COONH4
C. NaOH + NaCI
D. CH3COOH + NH4CI
Answer:A
Which one of the following is a buffer?
A. CH3COOH + CH3COONa B. CH3COOH + CH3COONH4 C. NaOH + NaCI D. CH3COOH + NH4CI