# Acid-Base Pairs (Worksheet)


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Work in groups on these problems. You should try to answer the questions without referring to your textbook. If you get stuck, try asking another group for help.

## Q1

Determine the conjugate acid for each:

 $$H_2O$$ $$F^-$$- $$HCO_3^-$$ $$SO_4^{2-}$$ $$OH^-$$ $$PO_4^{3-}$$ $$H_2PO_4^-$$ $$Cl^-$$ $$ClO_4^-$$ $$CH_3COO^-$$ $$SH^-$$ $$CN^-$$ $$HSO_4^-$$ $$NH_3$$

Determine the conjugate base for each:

 $$H_2O$$ $$HF$$ $$HCO_3^-$$ $$HSO_4^-$$ $$OH^-$$ $$HPO_4^{2-}$$ $$H_3PO_4$$ $$HCl$$ $$HBrO_2$$ $$CH_3COOH$$ $$H_2S$$ $$HOCN$$ $$HSO_4^-$$ $$NH_3$$