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QuestionChemistry

Write the formula of the conjugate acid of CO₃²⁻. \begin{array}{ccc} \square & \square & \square \\ & \times & 6 \end{array}
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Answer

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Step 1:
: Identify the original ion and its charge

The conjugate acid of an ion is formed by adding a hydrogen ion (H+) to the original ion. In this case, we are starting with the carbonate ion, CO₃²−. The charge of this ion is - 2.

Step 2:
: Add a hydrogen ion to form the conjugate acid

By adding one H+ to the carbonate ion, we form the hydrogen carbonate ion (HCO₃−). The charge of this new ion is now - 1.

Step 3:
: Write the formula of the conjugate acid

The conjugate acid of the carbonate ion (CO₃²⁻) is the hydrogen carbonate ion (HCO₃−).

Final Answer

The formula of the conjugate acid of CO₃²⁻ is HCO₃−.