Chapter SH, Problem 17.2APP

To determine

To calculate:The number of deuterium per million hydrogen atoms.

Answer to Problem 17.2APP

There are $150$ deuterium isotopes per million hydrogen atoms.

Explanation of Solution

Given data:

Hydrogen has three isotopes.

The isotope deuterium makes up $0.015\%$ of all hydrogen atoms.

Calculation:

As per the problem,

The isotope deuterium makes up $0.015\%$ of all hydrogen atoms.

Therefore, the number of deuterium isotopes per million hydrogen atoms is

  $\begin{array}{l}=0.015\%\times 1000,000\\ =\frac{0.015}{100}\times 1000,000\\ =150\end{array}$

Conclusion:

There are $150$ deuterium isotopes per million hydrogen atoms.