Separation of a mixture of sand, NaCl and CaCO3 Part 2 (Values from this part may be used on parts Mass of watch glass, filter. and CaCO3 13.57 g Mass of watch glass and fiter Mass of CaCO3 12.43 g Percent of CaCO3 a) What is the mass of CaCO2? b) What is the mass percent of CaCO3 in this sample?

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