Aluminum Oxide, Al₂O₃, Is Used as a Filler for Paints

question 2

Multiple Choice

Aluminum oxide, Al₂O₃, is used as a filler for paints and varnishes as well as in the manufacture of electrical insulators. Calculate the number of moles in 47.51 g of Al₂O₃.

• A)2.377 mol
• B)2.146 mol
• C)1.105 mol
• D)0.4660 mol
• E)0.4207 mol

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Definitions:

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