A sample of sandstone consists of only silica (SiO2) and calcite (CaCO3). When sandstone is heated, calcium carbonate decomposes

Question

3 years ago

14

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?

Chemistry

1 answer:

anzhelika [568] · Answer 1 · 2022-01-30T20:10:06+03:00

anzhelika [568]3 years ago

5 0

Answer:

0

Explanation:

To calculate, the mass of Carbondioxide is 3.45mg

Then the decomposition of Carbondioxide gives 0 on calculation