Question

. A reaction believed to produce dilute acid in the water from mines is the air oxidation of iron pyrite, FeS2. FeS2 + O2 + → Fe2O3 + SO42– (unbalanced)

a. Use the half-reaction method to balance this reaction (assuming one half-reaction involved FeS2 to the appropriate products and the second half-reaction takes oxygen to water).

b. What is the concentration of H+ ion when 24.83 g iron pyrite reacts with 24.66 g oxygen?

Assume the reaction takes place in a 1.00 L solution and the volume does not change. c. What is the systematic name for iron pyrite? (please also explain this process In words, thank you)

Answer 1