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Le Chatelier's Principle

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CoSO4-7H2O + 7SOCl = CoSO4 + 7SO2 + 14 HCl
After heat was added to the reactant in a covered container, the solid will turn blue. The mixture is removed, lid taken off, and the blue solid is stirred. The cover is replaced, the mixture is cooled, but there is no color change. Why?

Is it becasue there is a cover on the mixture?

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Solution Preview

There is a color change because the cobalt (II) sufalte heptahydrate is changing to cobalt ...

Solution Summary

This solution describes the reaction of cobalt (II) sulfate heptahydrate with SOCl in terms of LeChatelier's principle.