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April 1, 2015

Homework Help: Chemistry

Posted by Laura on Monday, March 5, 2012 at 9:06pm.

I did a back titration with an unknown carbonate and using the average % carbonate (by mass) which I found to be 27.40% and appropriate calculation decided where the unknown is an alkali metal carbonate or an alkaline earth metal carbonate. I have no idea how to tell the difference between to two using the percentage.

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