Questions: Match the correct conjugate acid formula to its base. Hint: Not all answer choices will be used. H2O H3O+ HCO3- H2CO3 SO4^2- HSO4^- ClO2^-

Match the correct conjugate acid formula to its base. Hint: Not all answer choices will be used. H2O H3O+ HCO3- H2CO3 SO4^2- HSO4^- ClO2^-
Transcript text: Match the correct conjugate acid formula to its base. Hint: Not all answer choices will be used. $\mathrm{H}_{2} \mathrm{O}$ $\qquad$ $\mathrm{H}_{3} \mathrm{O}^{+}$ $\mathrm{HCO}_{3}{ }^{-}$ $\qquad$ $\mathrm{H}_{2} \mathrm{CO}_{3}$ $\mathrm{SO}_{4}{ }^{2-}$ $\qquad$ $\mathrm{HSO}_{4}^{-}$ $\mathrm{ClO}_{2}^{-}$ $\qquad$
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Solution

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Solution Steps

Step 1: Understanding Conjugate Acids and Bases

A conjugate acid is formed when a base gains a proton (\( \text{H}^+ \)). To find the conjugate acid of a given base, add one hydrogen atom and increase the charge by +1.

Step 2: Matching Each Base with Its Conjugate Acid

  • Base: \( \mathrm{H}_2\mathrm{O} \)

    • Conjugate Acid: Add \( \text{H}^+ \) to form \( \mathrm{H}_3\mathrm{O}^+ \).

  • Base: \( \mathrm{HCO}_3^- \)

    • Conjugate Acid: Add \( \text{H}^+ \) to form \( \mathrm{H}_2\mathrm{CO}_3 \).

  • Base: \( \mathrm{SO}_4^{2-} \)

    • Conjugate Acid: Add \( \text{H}^+ \) to form \( \mathrm{HSO}_4^- \).

Final Answer

  • The conjugate acid of \( \mathrm{H}_2\mathrm{O} \) is \(\boxed{\mathrm{H}_3\mathrm{O}^+}\).
  • The conjugate acid of \( \mathrm{HCO}_3^- \) is \(\boxed{\mathrm{H}_2\mathrm{CO}_3}\).
  • The conjugate acid of \( \mathrm{SO}_4^{2-} \) is \(\boxed{\mathrm{HSO}_4^-}\).
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