I'd say it's partially dissociating into products
We can conclude that the solution is an <em>acid buffer</em>. A buffer system is when a weak acid is mixed with its salt. Its purpose is to resist changes in pH when small amounts of acid or base is added.
The answer is A. An electrolytic cell is by definition a non-spontaneous chemical reaction that uses something like a battery to power it. The spontaneous counterpart is the voltaic cell.
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