Determine the Average Atomic Mass of Boron

question 116

Essay

Determine the average atomic mass of boron. The natural abundance of ¹⁰B (weighing 10.0129 amu) is 19.9% and the natural abundance of ¹¹B (weighing 11.0093 amu) is 80.1%. Show all your work.

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Definitions:

Embryo

An early stage of development in multicellular organisms after fertilization and before becoming a fetus, characterized by rapid cell division and differentiation.

Gamete

Mature, haploid reproductive cell; e.g., a sperm.

Ovary

In flowering plants, the enlarged base of a carpel, inside which one or more ovules form and eggs are fertilized. In animals, the egg-producing gonad.