Sara W. 1 Expert Answer
Robert S. answered • 02/27/21 Patient PhD Chemist with 40 Years of R&D And Teaching
Hello, Sara, The balanced equation tells us that we get 3 moles of O2 for every 2 moles of KClO3. We can form a molar ratio: (3/2)(moles O2/moles KClO3) If we start with 3.0 moles KClO3, we'll get (3/2)(moles O2/moles KClO3)*(3 moles KClO3) = (3/2)*(3.0) moles O2, or 4.5 moles of O2. Bob |