How many grams of sulfuric acid can be obtained from 400 grams of iron ore if the ore is 80% FeS? The reactions involved are given below. Assume each reaction is 100% efficient. 4FeS + 7O2 -----gt; 2Fe2O3 + 4SO3 2SO3 + O2 -------gt; 2SO3SO3 + H2O ------gt; H2SO4
