Write the molecular formula of iron (Ill) hexacyanidoferrate (II).

Explanation

To write the molecular formula of iron (III) hexacyanidoferrate (II), we need to analyze the components of the compound step by step.

### Step 1: Identify the Components
The compound is composed of:
- Iron (III) ions (Fe³⁺)
- Hexacyanidoferrate (II) ions, which contain iron (II) ions (Fe²⁺) and cyanide ions (CN⁻).

### Step 2: Determine the Charge of the Anion
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