When the following two solutions are mixed: The mixture contains the ions listed

Question

When the following two solutions are mixed: 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. NO3-(aq) Fe3 + (aq) CO32-(aq) K + (aq)

Explanation / Answer

3K2CO3(aq) +2Fe(NO3)3(aq) ----> 6KNO3(aq) + Fe2(CO3)3(s) Now if we break this all down into ions we get the "total ionic equation" K(+) + CO3(2-) + Fe(3+) + NO3(-) ---> K(+) + NO3(-) + Fe2(CO3)3(s) Because Fe2(CO3)3 is the solid we do not break it down into ions. Ok now the spectator ions are the ones that are ions in the beginning and remain ions at the end which would be; K(+) and NO3(-) If you make an equation with just the ions that change from Ion to solid, you get the "net ionic equation" and you can see the ions that react: 2Fe(3+)(aq) + 3CO3(2-)(aq) ---> Fe2(CO3)3

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