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Help with Chemistry please.

Chemistry
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When potassium chromate, K2CrO4, dissolves in water, what ions are produced?

1) 2K+ + Cr2- + 2O2

2) 2K+ + CrO42-

3) 2K+ + Cr6+ + 4O2-

4) K22+ + CrO42-

5) No ions are formed

Oct 15th, 2014

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Oct 15th, 2014

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Oct 15th, 2014
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