Which combination will make a buffer?
A. NaOH and NaCl
B. KOH and KC1
C. HC1 and NaCl
D. CH3COOH and CH3COONa
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Ответ:
D. CH3COOH and CH3COONa
Explanation:
A buffer is made of:
- a weak acid + its conjugate base
- a weak base + its conjugate acid
A. NaOH is a strong base
B. KOH is a strong base
C. HCl is a strong acid
Ответ: