chicabella10468 chicabella10468

10-01-2020
Chemistry

contestada

sodium hydroxide (NaOH) and elemental sodium (Na)

acetic acid (CH3CO2H) and hydrochloric acid (HCl)

acetic acid (CH3CO2H) and ammonia (NH3)

ammonia (NH3) and ammonium chloride (NH4Cl)

Respuesta :

DrMantisToboggan DrMantisToboggan

10-01-2020

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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