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7 May, 14:57

A. What is the mass in grams of 4.2 mols of FeO2?

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Answers (2)
  1. 7 May, 15:37
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    4.2 Mols FeO2 * 71.844g/1mol = 301.74g FeO2
  2. 7 May, 17:53
    0
    Well I think is 8.9 because yeah
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