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Answer the following questions:
Answer variants:
No reaction
No, we cannot change the molecular formula reactants or products to balance a chemical equation.
1. To balance a chemical equation, can we change the formulae of either reactants or products?
2. Suppose any of the following occurs spontaneously; write the balanced net ionic equation. If not, write no reaction. \(Pb\) + \(Zn^2{^+}\) → \(Pb^2{^+}\) + \(Zn\)
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