When 0.30 moles of oxygen react, how many moles of chromium (iii) oxide are produced?

Answer 1

Write the balanced equation for this reaction

Chromium(III) oxide = Cr₂O₃

4Cr + 3O₂ ==> 2Cr₂O₃ ... balanced equation

0.30 mols O₂ x 2 mols Cr₂O₃ / 3 mols O₂ = 0.20 mols Cr₂O₃ formed