The bicarbonate system is composed of H2CO3 and HCO-3. Which statement accurately describes these molecules?
A. H2CO3 is a weak acid, and HCO-3 is a weak base.
B. H2CO3 is a strong base, and HCO-3 is a weak acid.
C. H2CO3 and HCO-3 are both weak acids.
D. H2CO3 is a weak base, and HCO-3 is a weak acid.
E. H2CO3 and HCO-3 are both strong bases.
Answer: A
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