Write the formula of potassium hexacyanidoferrate (III) .

Explanation

To write the formula for potassium hexacyanidoferrate(III), we can follow these steps:

### Step 1: Identify the components
- **Potassium (K)**: This is a cation with a charge of +1.
- **Hexacyanidoferrate(III)**: This indicates a complex ion where:
- **Hexa** means 6, so there are 6 cyanide (CN⁻) ligands.
- **Ferrate(III)** indicates that iron (Fe) is the central metal with an oxidation state of +3.

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