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Thu 4 Oct, 2012 01:32 pm
matter that is pure and made up of a fixed composition is?
@autumnwells,
Peruse the pages of your chem. book. Trust me, the answer dwells within them.
@autumnwells,
http://onelook.com/?w=*&loc=revfp2&clue=matter+pure+and++fixed+composition
@autumnwells,
LOL the question already gave you part of the answer... pure substances, duh.