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When an acid is added to water, hydrogen ions Increase.

Explanation:

When an acid is added to water it dissociates into hydrogen ions and its conjugate base:

HA ⇔

Acid ⇔ hydrogen ions + conjugate base

As the acid dissociates, the concentration of hydrogen ions increase and so do the acidity of the solution.

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When an acid is added to water, hydrogen ions Increase.

Explanation:

When an...
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