A sample of sandstone consists of only silica (SiO2) and calcite (CaCO3). When sandstone is heated, calcium carbonate decomposes
to calcium oxide and carbon dioxide. Silica does not decompose. A 18.7 mg sample of the sandstone rock yields 3.95 mg of carbon dioxide.i) What is the mass of calcium carbonate in the sandstone rock in milligrams?ii) What is the percent of calcium carbonate in the sandstone rock?iii) What is the percentage of silica in sandstone rock?
