Reaction of CaF2, SiO2, and H2SO4

Chemical Equation:
CaF2 + SiO2 + H2SO4 → ?

Explanation:

1. Breakdown of Reactants:
- CaF2 (calcium fluoride) and SiO2 (silicon dioxide) are solid compounds.
- H2SO4 (sulfuric acid) is a strong acid in aqueous form.

2. Reaction:
- When CaF2 and SiO2 are mixed with concentrated H2SO4, a series of reactions occur.
- The H2SO4 will react with CaF2 to form CaSO4 and HF gas.
- The HF gas will then react with SiO2 to form SiF4 and H2O.

3. Final Products:
- The overall reaction can be represented as:
CaF2 + SiO2 + H2SO4 → CaSO4 + SiF4 + H2O

4. Explanation:
- Calcium sulfate (CaSO4) and silicon tetrafluoride (SiF4) are the final products of the reaction.
- Water (H2O) is also produced as a byproduct.

5. Conclusion:
- The reaction of CaF2, SiO2, and concentrated H2SO4 results in the formation of calcium sulfate, silicon tetrafluoride, and water.