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Posts by anonymousokm

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chemistry
thx a lot for all the help ..i got the answer 44.4 % :D

chemistry
A sample being given as a laboratory unknown is a mixture of calcium carbonate and magnesium carbonate. Both substances decompose to form calcium oxide and magnesium oxide, respectively, when heated at a high temperature for a prolonged period. An unknown sample weighing 5.424...

chemistry
THANK YOU SO MUCH!!

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