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What volume (in L) of hydrogen at STP is produced as sulfuric acid (H2SO4) acts on 102 g of metallic calcium (Ca).
The heating of NaNO3 decomposed it to NaNO2 and O2. How many grams of NaNO3 would you have to decompose to produce 2.63 g of O2?
How many grams of iron (III) oxide would ideally be formed by the reaction of 55.0 g Fe with excess oxygen gas? If the actual reaction involving this same 55.0 g Fe produced only 26.9 g of iron (III) oxide, what would be the percent yield?