Question

3. In the following total ionic equation, which ions are spectator ions?
Cu 2+(aq) + 2NO3-(aq) + 2Na+(aq) + S 2-(aq) →CuS(s) + 2NO3-(aq) + 2Na+(aq)

a. Cu 2+
b. Na +
c. NO 3 -
d. S 2-
e. More than one response is correct.

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