Answer:
HF is an acid and NaOH is a base
Explanation:
HF stands for Hydrogen Flouride which is an acid. The (aq) stands for aqueous solution. When Hydrogen Flouride is in an aqueous solution, it loses a Hydrogen proton (H+), creating Hydroflouric acid. NaOH is Sodium Hydroxide. Sodium Hydroxide is a base because it gains Hydrogen protons (H+)
Remember that acids give away hydrogen protons and bases gain them.
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