The dichromate ion Cr2 O7 22 and chromate ion CrO4 22 exist in equilibrium, like this: Cr2O7 22 (aq) 1 H2O ( l ) 2CrO4 22 (aq) 1 2H1 (aq) orange yellow a What would you see if you added dilute acid to a solution containing chromate ions? b How would you reverse the change?

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Q: 1) Balance the chromate / dichromate equilibrium equation:     CrO42-(aq)   +    H+(aq)    …

A: since you have posted 6 questions in a single session we are entitiled to answer first question…

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Q: Balance the chromate / dichromate equilibrium equation:     CrO42-(aq)   +    H+(aq)    …

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

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Q: 1) Balance the chromate / dichromate equilibrium equation:     CrO42-(aq)   +    H+(aq)    …

A: Since you have posted multiple questions, we are entitled to answer the first only.

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