QuestionFind the abundance of ${ }^{10} \mathrm{~B}$ and ${ }^{11} \mathrm{~B}$ given their masses and average atomic mass of boron, $10.81 \mathrm{~u}$.

Studdy Solution
Substitute $x$ into the first equation to find $y$$$y = - x = -0.199 =0.801$$The abundance of ${ }^{10} \mathrm{~B}$ is approximately19.9% and the abundance of ${ }^{11} \mathrm{~B}$ is approximately80.%.