1. “Cat clays” are soils containing a high level of iron pyrite, FeS2. Hydrogen peroxide, H2O2 is added to such a soil, producing sulfate as a test for cat clays. Suggest a chemical reaction involved in this test?
2FeS2 + 15H2O2 → Fe2(SO4)3 + H2SO4 + 14H2O
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