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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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smokebomb13 smokebomb13
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11 years ago
I ordered some cesium carbonate from the internet but there appears to have been a mix up as they labeled it barium carbonate- which is incidentally a poison.

barium carbonate is not soluble and the substance seems to be able to dissolve but i'd understandably like some confirmation.

thanks a bunch.
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#1
11 years ago
You are 100% correct: Caesium carbonate is soluble in water and barium carbonate is only very slightly soluble.

The best way to tell caesium carbonate apart from barium carbonate is to acidify your a tiny bit of your sample with dilute hydrochloric acid. Then add a drop of dilute sulphuric acid to the solution. If you get an instant white precipitate (barium sulphate is very insoluble in water), you have barium carbonate . If there is no precipitate, you probably have caesium carbonate
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