Introduction to Acids and Bases

AP Chemistry· difficulty 2/5

The conjugate base of HCO₃⁻ is

A
$H₂O$
B
$CO₃²⁻$
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C
$H₂CO₃$
D
$OH⁻$

Explanation

Lose H⁺ from HCO₃⁻ \to CO₃²⁻.

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