Chapter 23.2, Problem 13R

To determine

To express: the concentration of mercaptans as a percent.

Answer to Problem 13R

The concentration of mercaptans is $0.00005\%$ .

Explanation of Solution

Given data:

The concentration of mercaptans is $0.5$ parts per million.

Calculation:

As per the problem,

The concentration of mercaptans is $0.5$ parts per million, that is, of one million parts of a substance $0.5$ parts is mercaptans.

The percentage of mercaptans is

  $\begin{array}{l}=\frac{0.5}{1000,000}\times 100\\ =0.00005\%\end{array}$

Conclusion:

The concentration of mercaptans is $0.00005\%$ .