Answer to Question #154940 in Inorganic Chemistry for ava

Question #154940

Aluminum oxide, Al2O3(s), forms a thin coating on an aluminum surface, such as the body of an airplane, when aluminum is exposed to oxygen in air.This coating helps to reduce further corrosion of the aluminum. Suppose that a sample contains 2.6 mol of aluminum oxide.

a. How many formula units are in the sample? b. How many atoms, in total, are in the sample?

c. How many aluminum atoms are in the sample?


1
Expert's answer
2021-01-12T07:02:33-0500
  1. 3
  2. 2.6 * 6.02 * 1023 = 1.56 *1022
  3. 1.56 *1022

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