Enaszr9657
17.08.2020 •
Chemistry
Iron(II) chloride is added to sodium carbonate. The reaction is described by the balanced equation below. (7 points) FeCl2(aq) + Na2CO3(aq) FeCO3(s) + 2NaCl(aq) i. Write the complete ionic equation from the balanced equation. (3 points) ii. What are the spectator ions in the reaction? (1 point) iii. Write the net ionic equation from the complete ionic equation. (2 points)
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Ответ:
Explanation:
FeCl₂(aq) + Na₂CO₃(aq) ⇒ FeCO₃(s) + 2NaCl(aq)
complete ionic equation
Fe⁺²(aq) + 2 Cl⁻(aq) + 2 Na⁺(aq) + CO₃⁻² (aq) ⇒ FeCO₃(s)+ 2 Na⁺(aq) +2Cl⁻(aq)
Spectator ions = Cl⁻(aq) , Na⁺(aq)
Net ionic equation
Fe⁺²(aq) + CO₃⁻² (aq) ⇒ FeCO₃(s).
Ответ: