Aluminum oxide al2o3 molar mass 10196 occurs in nature as, Ask an Expert

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Aluminum oxide, Al2O3 (molar mass = 101.96), occurs in nature as a mineral called corundum which is noted for its hardness and resistance to attack by acids. Its density is 3.97 g/cm3. Calculate the number of atoms of aluminum in 15.00 cm3 of corundum.

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