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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?
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?
How many grams of Al2O3 can be formed when a mixture of 6.9 g of aluminum and 12.8 g of oxygen is ignited? Which substance is in excess and how many grams is in excess?