MCQ
Which of the following mixture will make a buffer solution ?
- A$0.2\, mol\, NaOH + 0.1\, mol\, HCN$
- B$0.1\, mol\, HCl + 0.1\, mol\, NH_4OH$
- C$0.4\, mol\, CH_3COOH + 0.4\, mol\, HCOONa$
- ✓$0.2\, mol\, HNO_3 + 0.3\, mol\, NH_4OH$
✓
Answer
Correct option: D.
$0.2\, mol\, HNO_3 + 0.3\, mol\, NH_4OH$
d
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