2. $\mathrm{Zn}+\mathrm{NO}_{3}^{-} \rightarrow \mathrm{Zn}(\mathrm{OH})_{4}{ }^{2-}+\mathrm{NH}_{3}$
3. $\mathrm{MnO}_{4}^{-}+\mathrm{C}_{2} \mathrm{O}_{4}^{2-} \rightarrow \mathrm{MnO}_{2}+\mathrm{CO}_{2}$

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∻Solution∻ ‖ 1 ⋮ **Verify the chemical equations**: Before analyzing the reactions, it is important to ensure that the chemical equations provided are balanced in terms of both mass and charge. ‖ ‖ 2 ⋮ **Balance the first equation**: The reaction between zinc (Zn) and nitrate ions (NO₃⁻) to form zinc hydroxide (Zn(OH)₄²⁻) and ammonia (NH₃) is not balanced as written. The correct balanced equation should be: $3\mathrm{Zn} + 8\mathrm{NO}_{3}^{-} + 10\mathrm{H}_{2}\mathrm{O} \rightarrow 3\mathrm{Zn}(\mathrm{OH})_{4}^{2-} + 2\mathrm{NH}_{3} + 8\mathrm{OH}^{-}$. ‖ ‖ 3 ⋮ **Balance the second equation**: The reaction between permanganate ions (MnO₄⁻) and oxalate ions (C₂O₄²⁻) to form manganese dioxide (MnO₂) and carbon dioxide (CO₂) is also not balanced as written. The correct balanced equation should be: $2\mathrm{MnO}_{4}^{-} + 5\mathrm{C}_{2}\mathrm{O}_{4}^{2-} + 16\mathrm{H}^{+} \rightarrow 2\mathrm{MnO}_{2} + 10\mathrm{CO}_{2} + 8\mathrm{H}_{2}\mathrm{O}$. ‖ ∻Answer∻ ⚹ The provided chemical equations are not balanced. The balanced equations are: 1. $3\mathrm{Zn} + 8\mathrm{NO}_{3}^{-} + 10\mathrm{H}_{2}\mathrm{O} \rightarrow 3\mathrm{Zn}(\mathrm{OH})_{4}^{2-} + 2\mathrm{NH}_{3} + 8\mathrm{OH}^{-}$ 2. $2\mathrm{MnO}_{4}^{-} + 5\mathrm{C}_{2}\mathrm{O}_{4}^{2-} + 16\mathrm{H}^{+} \rightarrow 2\mathrm{MnO}_{2} + 10\mathrm{CO}_{2} + 8\mathrm{H}_{2}\mathrm{O}$ ⚹ ∻Key Concept∻ ⚹ Chemical Equation Balancing ⚹ ∻Explanation∻ ⚹ Chemical equations must be balanced to reflect the conservation of mass and charge. This involves ensuring that the number of atoms of each element and the total charge are the same on both sides of the equation. ⚹◊What is the balanced chemical equation for the reaction between zinc and nitrate ions?⍭ Generate me a similar question◊

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