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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?
For the reaction: 2Fe + 3CuCl2 = 2FeCl3 + 3Cu. 10g of Fe and 18.0g of CuCl2 are mixed together and a reaction occurs.
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?