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26 August, 00:23

Which one of the following reactions IS NOT balanced? 1. 2 KNO3 + 10 K → 5 K2O + N2 2. 2 SO2 + O2 → 2 SO3 3. SF4 + 3 H2O → H2SO3 + 4 HF

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  1. 26 August, 00:47
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    2 KNO₃ + 10 K → 5 K₂O + N₂ (option 1)

    Explanation:

    1. 2 KNO₃ + 10 K → 5 K₂O + N₂

    We have in reactant side:

    2 K, 2N, 6O and 10 K. In conclussion, 12 K, 2N and 6 O

    We have in product side.

    10 K, 5O and 2 N

    This equation is unbalanced

    2. 2 SO₂ + O₂ → 2 SO₃

    In reactant side we have 2 S and 6 O

    In product side we have 2 S and 6 O

    3. SF₄ + 3 H₂O → H₂SO₃ + 4 HF

    In reactant side we have 1 S, 4F, 6 H and 3 O

    In product side we have 1 S, 4F, 6 H and 3 O
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