Ask Question
28 November, 18:06

When 6.25 grams of pure iron are allowed to react with oxygen, a black oxide forms. if the product weighs 8.15g, what is the empirical formula of the oxide?

+4
Answers (1)
  1. 28 November, 19:29
    0
    Moles Fe = 6.25 g / 55.847 g/mol=0.112

    mass O = 8.15 - 6.25 = 1.90 g

    moles O = 1.90 g / 15.999 g/mol=0.119

    the ratio is 1 : 1 and the compound is FeO (iron (II) oxide)
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “When 6.25 grams of pure iron are allowed to react with oxygen, a black oxide forms. if the product weighs 8.15g, what is the empirical ...” in 📙 Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers