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When excess aqueous ammonia is added to copper(II)sulphate (aq), the initial pale blue...
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Middle School Teacher
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A deep blue solution would be formed. Adding excess ammonia allows the precipate to dissolve. The Copper combines with the ammonia to form Tetraamminediaquacopper(II) which is deep blue.
Posted by pamsuegun on July 9, 2010 at 10:42 AM (Answer #1)
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