AP Chemistryeasymcq1 pt
What is the conjugate base of HCO₃⁻?
A.CO₃²⁻
B.H₂CO₃
C.OH⁻
D.CO₂
Explanation
Core Concept
Removing one proton from bicarbonate gives carbonate. A conjugate base is always the acid minus one H⁺ (and its charge drops by 1).
Correct Answer
ACO₃²⁻
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