Math Problem Statement

An element consists of three isotopes. The abundance of one isotope is 92.21% and its Atomic Weight is 27.97693 amu. The abundance of the second isotope is 4.70% and its Atomic Weight is 28.97649 amu. The Atomic Weight of the third isotope is 29.97376 amu. What is the average Atomic Weight of the element?

Solution

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Math Problem Analysis

Mathematical Concepts

Weighted Average
Percentages

Formulas

Average Atomic Weight = (Abundance_1 / 100 × Atomic Weight_1) + (Abundance_2 / 100 × Atomic Weight_2) + (Abundance_3 / 100 × Atomic Weight_3)

Theorems

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Suitable Grade Level

Grades 9-12