Asked by julia

in the following total ionic equation, which ions are spectator ions?

Cu2+ (aq) + 2NO3-(aq)+2Na+(aq)+S2-(aq)--->CuS(s)+2NO3-(aq)+2Na+(aq)
Answered by DrBob222
Spectator ions are those that are common to both sides of the equation. Cu^+2, for example, is NOT a spectator ion. It's on one side but not the other (because it formed CuS and that is not soluble.) NO3^- is a spectator ion since it is on both sides . There is another one which I will let you identify.
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