Chromium and oxygen combine to form chromium(III) oxide. (9.1, 9.2, 9.3, 9.4)
4Cr(s) + 3O2(g) → 2Cr2O3(s)
a. How many moles of O2 react with 4.50 mol of Cr?
b. How many grams of Cr2O3 are produced when 24.8 g of Cr reacts?
c. When 26.0 g of Cr reacts with 8.00 g of O2, how many grams of Cr2O3 can form?
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