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In qualitative analysis, what does a positive test for the presence of sulfate i
In qualitative analysis, what does a positive test for the presence of sulfate ions typically involve?
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In qualitative analysis, what does a positive test for the presence of sulfate ions typically involve?
Formation of a white precipitate
Formation of a colored solution
Gas evolution
No visible change
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A positive test for sulfate ions typically involves the formation of a white precipitate of barium sulfate when barium chloride is added.
Questions & Step-by-step Solutions
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Q
Q: In qualitative analysis, what does a positive test for the presence of sulfate ions typically involve?
Solution:
A positive test for sulfate ions typically involves the formation of a white precipitate of barium sulfate when barium chloride is added.
Steps: 5
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Step 1: Take a sample solution that you want to test for sulfate ions.
Step 2: Add a few drops of barium chloride solution to the sample.
Step 3: Observe the mixture for any changes.
Step 4: If a white solid forms, this indicates the presence of sulfate ions.
Step 5: The white solid formed is barium sulfate, which confirms the positive test.
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