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When potassium chromate, K 2 CrO 4 K2CrO4 is dissolved in water, what ions are produced? 2 K + + Cr 6 + + 4 O 2 − 2K++Cr6++4O2− K 2 + 2 + CrO 2 − 4 K22++CrO42− 2 K + + Cr 2 − + 2 O 2 2K++Cr2−+2O2 2 K + + CrO 2 − 4 2K++CrO42− no ions are formed

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Answer:

2 K⁺(aq) and CrO₄²⁻(aq)

Explanation:

Potassium chromate (K₂CrO₄) is a salt. When dissolved in water, it is a strong electrolyte, that is, it dissociates to give the cation potassium (K⁺) and the anion chromate (CrO₄²⁻). The corresponding balanced equation is:

K₂CrO₄(aq) → 2 K⁺(aq) + CrO₄²⁻(aq)

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