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Unformatted text preview: If a heme molecule contains one atom of iron, what is the molecular weight of heme? (4 points) 616 g/mol 3. Ammonia gas can be prepared by the reaction of a metal oxide such as calcium oxide with ammonium chloride. CaO(s) + 2NH 4 Cl(s) 2NH 3 (g) + H 2 0(g) + CaCl 2 (s) a. If 112g of CaO and 224g of NH 4 Cl are mixed, what is the maximum mass of NH 3 that can be obtained? (4 points) CaO is limiting reactant max amount of NH 3 = 68.0g b. How many hydrogen atoms are in the 224g sample of ammonium chloride? (2 points) 1.02E25 hydrogen atoms...
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