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Upon the addition of heat to an unknown amount of KClO3, 0.48 g of oxygen was produced. How many grams of KClO3 reacted?
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?
What volume (in L) of hydrogen at STP is produced as sulfuric acid (H2SO4) acts on 102 g of metallic calcium (Ca).