Question

part a
when the following two solutions are mixed:
k₂co₃(aq) + fe(no₃)₃(aq)
the mixture contains the ions listed below. sort these species into spectator ions and ions that react. drag the appropriate items to their respective bins.
view available hint(s)
no₃⁻(aq) fe³⁺(aq) co₃²⁻(aq) k⁺(aq)
spectator ions
ions that react

Explanation:

Step1: Write the balanced chemical equation

$3K_2CO_3(aq)+2Fe(NO_3)_3(aq)
ightarrow Fe_2(CO_3)_3(s) + 6KNO_3(aq)$

Step2: Write the complete ionic equation

$6K^+(aq)+3CO_3^{2 -}(aq)+2Fe^{3+}(aq)+6NO_3^-(aq)
ightarrow Fe_2(CO_3)_3(s)+6K^+(aq)+6NO_3^-(aq)$

Step3: Identify spectator ions

Spectator ions are those that appear on both sides of the complete - ionic equation unchanged. Here, $K^+$ and $NO_3^-$ are spectator ions.

Step4: Identify reacting ions

The ions that form the precipitate are the reacting ions. $Fe^{3+}$ and $CO_3^{2 -}$ react to form $Fe_2(CO_3)_3$ precipitate.

Answer:

Spectator ions: $K^+(aq), NO_3^-(aq)$
Ions that react: $Fe^{3+}(aq), CO_3^{2 -}(aq)$