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July 7, 2015

Homework Help: Chemistry

Posted by Veronica on Saturday, June 7, 2014 at 10:29pm.

How many grams of pure H2SO4 can be obtained from 250 grams of iron ore if the ore is 82% FeS2? The reactions involved are given below:

4FeS2 + 11 O2 --> 2 Fe2O3 + 8 SO2 (95% efficient)
2SO2 + O2 --> 2SO3 (90% efficient)
SO3 + H2O --> H2SO4 (90% efficient)

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