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10 January, 11:12

Consider the total ionic equation below.

2 upper H superscript plus, plus upper C r upper O subscript 4 superscript 2 minus, plus upper B a superscript 2 plus, plus 2 upper O upper H superscript minus right arrow upper B a superscript 2 plus, plus upper C r upper O subscript 4 superscript 2 minus, plus 2 upper H subscript 2 upper O.

What are the spectator ions in this equation?

H + and OH-

H + and Ba2+

Upper C r upper O subscript 4 superscript 2 minus. and Upper O upper H superscript minus.

Upper C r upper O subscript 4 superscript 2 minus. and Upper B a superscript 2 plus.

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Answers (1)
  1. 10 January, 13:18
    0
    Upper C r upper O subscript 4 superscript 2 minus and Upper B a superscript 2 plus

    Explanation:

    The spectator ions are the ions that appear on each side of the reaction arrow.

    2H⁺ + CrO₄²⁻ + Ba²⁺ + 2OH⁻ ⟶ Ba²⁺ + CrO₄²⁻ + 2H₂O

    In this reaction, they are CrO₄²⁻ and Ba²⁺.
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