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Mass Percent The mass percent of an element is the element's percentage of the total mass of the compound. Mass percent can be determined...
Mass PercentThe mass percent of an element is the element's percentage of the total mass of the compound. Mass percent can be determined experimentally or from a chemical formula.1. Urea, NH2CONH2; ammonium sulfate, (NH4)2SO4; and ammonium hydrogen sulfate, NH4HSO4, are all common fertilizers. Rank the compounds in order from largest mass percent of nitrogen to smallest mass percent of nitrogen.2. The most common source of copper (Cu) is the mineral chalcopyrite (CuFeS2). How many kilograms of chalcopyrite must be mined to obtain 415 g of pure Cu?Express your answer to three significant figures and include the appropriate units.
