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Topic: Need help with chemistry problem (Read 2263 times)
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science1245
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Need help with chemistry problem
«
on:
November 16, 2011, 08:22:06 PM »
I am doing a review sheet for my test tomorrow and i am not sure about this question
CoCl4 + 6H2O
Co(H2O)6 + 4Cl
The question is asking:
Explain how you determined the colour of each of the cobalt ion complexes. I am aware that CoCl4 is blue and Co(H2O)6 is pink but i do not know how you determine it. Help would be appreciated. Thanks!
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Borek
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Re: Need help with chemistry problem
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Reply #1 on:
November 17, 2011, 04:37:39 AM »
Looking.
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ChemBuddy
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gavstrabane
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Re: Need help with chemistry problem
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Reply #2 on:
November 17, 2011, 07:59:12 AM »
If you add water the solution will turn pink. This is because the position of Eqm will shift to right hand side to use up the excess water forming Co(H2O)6.
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