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27 November, 08:45

Which chemical equation correctly represents the synthesis of calcium sulfite from calcium oxide and sulfur dioxide?

CaSO3 (s) → CaO (s) + SO2 (g)

CaSO3 (s) + O2 (g) → CaO (s) + SO2 (g)

CaO (s) + SO2 (g) → CaSO3 (s)

CaO (s) + SO2 (g) → CaSO3 (s) + O2 (g)

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Answers (2)
  1. 27 November, 08:48
    0
    CaO (s) + SO2 (g) → CaSO3 (s)
  2. 27 November, 08:52
    0
    The chemical equation that correctly represents the synthesis of calcium sulfite is

    CaO (s) + SO₂ (g) → CaSO₃ (s)

    Explanation

    Synthesis reaction is type of chemical reaction in which two or more simple substance combine to form a more complex product.

    The reaction above is therefore a synthesis reaction since CaO and So₂ combine to form CaCO₃ (a complex product)
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