How many kilograms of pure H2SO4 could be obtained from 1 kg of iron pyrites (FeS2) according to the following reactions? 4FeS2+11O2→2Fe2O3+8SO2 2SO2+O2→2SO3 SO3+H2O→H2SO4
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Solution
A required balanced equation is: 4FeS24mol4×120g+15O2+8H2O→2Fe2O3+8H2SO48mol8×98g