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Completing a zinc ionic equation
The reaction is between zinc and copper sulfate solution.
Complete the ionic equation. Include state symbols.
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Marking points
- 1 Product formula blanks are Zn²⁺ and Cu in the printed order.
- 2 State-symbol blanks are (aq) for Zn²⁺ and (s) for Cu.
Why this answer loses marks
I swapped the ions but left every state unchanged.
Track which species is oxidised or reduced, then assign state by dissolved ion versus metal.