## Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning

# Chapter 2 Atoms, Molecules, and Ions - Study Questions: 22

#### Answer

See answer below.

#### Work Step by Step

From the data given, we have $23.985042\times\frac{78.99}{100}+24.985837\times\frac{10.00}{100}+25.982593\times\frac{11.01}{100}=24.31\ u$ Which is the value claimed to be the atomic weight of magnesium.

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