Thursday
February 26, 2015

Homework Help: AP Chemistry

Posted by Nick on Friday, September 17, 2010 at 6:04pm.

Although soluble barium compounds are
toxic, suspensions of insoluble barium sul-
fate are routinely swallowed for upper gas-
trointestinal X-ray studies. Why is barium
carbonate not used?

1. Barium carbonate is too expensive.

2. Barium carbonate is soluble in plain wa-
ter.

3. All carbonates are toxic, whether soluble
or not.

4. Stomachs contain HCl and all carbonates
dissolve in acid.

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