1. The formula for the conjugate base of $\mathrm{H}_{2} \mathrm{PO}_{4}$ is $\square$ 2. The formula for the conjugate acid of $\mathrm{HCO}_{3}$ is $\square$ 3. The formula for the conjugate base of $\mathrm{H}_{2} \mathrm{C}_{6} \mathrm{H}_{6} \mathrm{O}_{6}$ is $\square$ 4. The formula for the conjugate acid of $\mathrm{HC}_{2} \mathrm{O}_{4}$ is $\square$ 5. The formula for the conjugate acid of I is $\square$ 6. The formula for the conjugate acid of $\mathrm{NH}_{3}$ is $\square$
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Answer

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Step 1
: Recall the definition of a conjugate acid and base.

A conjugate acid is formed when a base accepts a proton (H+), and a conjugate base is formed when an acid donates a proton. The formula for a conjugate acid is obtained by adding an H+ to the formula of its base, while the formula for a conjugate base is obtained by removing an H+ from the formula of its acid.

Step 2
: Identify the given acids and bases.

Final Answer

1. The conjugate acid of $\mathrm{H}_{2} \mathrm{PO}_{4}^{-}$ is $\mathrm{H}_{3} \mathrm{PO}_{4}$. 2. The conjugate acid of $\mathrm{HCO}_{3}^{-}$ is $\mathrm{H}_{2} \mathrm{CO}_{3}$. 3. The conjugate base of $\mathrm{H}_{2} \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{O}_{6}$ is $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{O}_{6}^{2 -} (\mathrm{C}_{6} \mathrm{H}_{6} \mathrm{O}_{6}^{-})$. 4. The conjugate acid of $\mathrm{HC}_{2} \mathrm{O}_{4}$ is $\mathrm{C}_{2} \mathrm{O}_{4}^{2 -}$. 5. The conjugate acid of I- is HI. 6. The conjugate acid of $\mathrm{NH}_{3}$ is $\mathrm{NH}_{4}^{+}$.