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Elza [17]
2 years ago
6

Sodium hydroxide (NaOH) and elemental sodium (Na)

Chemistry
1 answer:
Olegator [25]2 years ago
6 0

Answer:

If the question is which can make a buffer, then NH3, NH4Cl should be correct. Because Ammonium (NH4) is conjugate acid of NH3 so they can form an equilibrium which is basically a buffer whose purpose is to resist pH change.

Explanation:

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