In the following reaction, what ions, if any, are spectator ions?
Pb(NO₃)₂(aq) + 2NaCl(aq) → PbCl₂(s) + 2NaNO₃(aq)
A) Pb²⁺(aq), Cl⁻(aq)
B) Na⁺(aq), NO₃⁻(aq)
C) Pb²⁺(aq), NO₃⁻(aq)
D) Na⁺(aq), Cl⁻(aq)
E) There are no spectator ions.
Answer: B