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How can you precipitate BaCrO4(s) from a solution of barium nitrate and potassium dichromate?
13 years ago

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DrBob222
Here is a link that shows the secret.
http://digipac.ca/chemical/equilibrium/dichromate/dichromate.htm

So you want to convert to CrO4^2- by adding a base, then ppt BaCrO4.
13 years ago

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