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GROUP II PRELAB The p H is adjusted to 0 . 5 and thioacetamide is added to an unknown containing Group II cations. A black
GROUP II PRELAB
The is adjusted to and thioacetamide is added to an unknown containing Group II
cations. A black precipitate is formed, insoluble in NaOH but completely soluble in
When is added, a white precipitate forms and the solution turns deep blue.
What ions isare clearly absent
What ions isare almost certainly present?
Write net ionic equations for all observations.
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