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The mass number of Fe2+ is 56. How many neutrons are there in a single Fe2+ atom?
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Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
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The mass number of Fe2+ is 56. How many neutrons are there in a single Fe2+ atom?...
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