MadSci Network: Chemistry

Subject: What are some tests to prove that a compound is Calcium Carbonate?

Date: Mon May 24 09:39:09 1999
Posted by Brendan Spooner
Grade level: 10-12 School: Holy Trinity Catholic High School
City: Ottawa State/Province: Ontario Country: Canada
Area of science: Chemistry
ID: 927556749.Ch

For my chemistry independent study our whole class is given a 
little vile of an unknown salt (ionic compound).  First we do 
qualitative tests by following a flow chart but then we have do 
quantitative tests to prove that our compound is what we say it 
is.  I'm wondering if you have any ideas or specific test I 
could do to prove that I have Calcium Carbonate.  I've tried an 
enthalpy test but that didn't work well, I can't do a pH test 
because Calcium CArbonate is practically insoluble in water.  Basically, I 
need tests that can specifically prove that I have calcium carboante.  Or 
I can do an experiment and compare my results to that of known or expected 
results of CaCO3  If you have any suggestions please let me know.  Thanks, 

Re: What are some tests to prove that a compound is Calcium Carbonate?

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