A buffer is 0.100 M in NH4Cl and 0.100 M NH3. When a small amount of hydrobromic acid is added to this buffer, which buffer component neutralizes the added acid? A. NH4+ B. Cl- …

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Mathieu Van Nevel · Answer 1 · 2020-04-26T23:46:29+0000

Answer:

C. NH₃

Step-by-step explanation:

This buffer is formed by a weak base (NH₃) and its conjugate acid (NH₄⁺) which comes from the salt NH₄Cl. When an acid is added (hydrobromic acid) it is neutralized by the basic component of the buffer, according to the following equation.

NH₃(aq) + HBr(aq) ⇄ NH₄⁺(aq) + Br⁻(aq)

A buffer is 0.100 M in NH4Cl and 0.100 M NH3. When a small amount of hydrobromic acid is added to this buffer, which buffer component neutralizes the added acid? A. NH4+ B. Cl- …

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