what ia the ph value of buffer solution prepared by ammonium chloride and hydrochloric acid
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An acidic buffer solution consists of a weak acid (such as acetic acid) and its salt (such as sodium acetate) with a strong base (such as NaOH).
A buffer solution can be prepared from a mixture of:
(i) Sodium acetate and acetic acid in water
(ii) Sodium acetate and hydrochloric acid in water
Hydrochloric acid will partly neutralize sodium acetate to form acetic acid.
Hence, the option A is the correct answer.
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