Select all that applyWhich are conjugate acid-base pairs from the equilibrium reactionH2O(l) + HF(aq) ⇌ F–(aq) + H3O+(aq)?Multiple select question.H3O+ and F–H2O and HFH3O+ and H2OHF and F–
Question
Select all that applyWhich are conjugate acid-base pairs from the equilibrium reactionH2O(l) + HF(aq) ⇌ F–(aq) + H3O+(aq)?Multiple select question.H3O+ and F–H2O and HFH3O+ and H2OHF and F–
Solution
In an acid-base reaction, a conjugate acid-base pair consists of two substances related to each other by the donating and accepting of a single hydrogen ion (H+).
In the given equilibrium reaction: H2O(l) + HF(aq) ⇌ F–(aq) + H3O+(aq)
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H3O+ and H2O: H3O+ can donate a proton (H+) to become H2O, and H2O can accept a proton to become H3O+. So, H3O+ and H2O are a conjugate acid-base pair.
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HF and F–: HF can donate a proton to become F-, and F- can accept a proton to become HF. So, HF and F– are a conjugate acid-base pair.
Therefore, the correct answers are "H3O+ and H2O" and "HF and F–".
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