Sideroola Sideroola

19-01-2023
Chemistry

contestada

Limestone is mostly calcium carbonate, CaCO3, but also contains other minerals. When heated, the CaCO3 decomposes into CaO and CO2. A 1.605 g sample of limestone was heated and gave off 0.657 g of CO2.
(b) Determine the percentage mass of CaCO3 in the limestone.

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