How to identify the acid, base, conjugate acid, and the conjugate base?

Identify the acid and base on left side of the equation and the conjugate acid and conjugate base on right?

  • HCOOH(aq) + H2O(i) <----------> HCOO-(aq) + H3O+(aq) NH3(aq) + H2S(aq) <-----> NH4+(aq) + HS-(aq)

  • Answer:

    1st Equation: HCOOH: Acid H2O: Base HCOO-: Conjugated Base H3O+: Conjugated Acid 2nd Equation: NH3: Base H2S: Acid NH4+: Conjugated Acid HS-: Conjugated Base In general, the acid is the one that loses a proton (H+), converting into a conjugated base. And the one that accepts the proton is the base, converting into a conjugated acid. That's it, greetings.

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