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What is the balanced equation for this reaction, which takes place in a basic solution?

Cr(OH)3(s) + ClO3–(aq) → CrO42 (aq) + Cl–(aq)

Cr(OH)3(s) + 2ClO3–(aq) + 6OH–(aq) → 3CrO42–(aq) + 2Cl–(aq) + 2H2O(l)

Cr(OH)3(s) + 2ClO3–(aq) + 4OH–(aq) → 2CrO42–(aq) + Cl–(aq) + 3H2O(l)

2Cr(OH)3(s) + ClO3–(aq) + 4OH–(aq) → 2CrO42–(aq) + Cl–(aq) + 5H2O(l)

2Cr(OH)3(s) + 2ClO3–(aq) + 6OH–(aq) → 2CrO42–(aq) + 2Cl–(aq) + 7H2O(l)



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