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2. How many molecules are present in 0.865 mole of NO? How many oxygen atoms are there? 3. How much does 5.63 x 1020

2. How many molecules are present in 0.865 mole of NO? How many oxygen atoms are there? 3. How much does 5.63 x 1020 molecules of water weigh? 4. How many grams of FeO3 are produced when 42.7 grams of Fe is reacted? Fe + 0 FeO3

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