Question

question 33 (2 points)
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an acid is a compound that liberates ____ in solution, and causes the ph of that solution to ____.
cl⁻, remain unchanged
mg⁺⁺, remain unchanged
h⁺, decrease
na⁺, increase
h⁻, increase

Explanation:

An acid is defined as a compound that donates hydrogen ions ($H^+$) in solution. The presence of more hydrogen - ions in a solution lowers its pH value. So when an acid is added to a solution, it liberates $H^+$ and causes the pH to decrease.

Answer:

C. $H^+$, decrease