Question

If a chemist is using 338 millimeters of a solution of acid and water. If 12.9% of the solution is acid, how many millimeters of acid are there ? round to nearest tenth

Answer 1

Step-by-step explanation:

We are given the following details;

A solution is 338 millimeters and is made up of acid and water.

The acid content of this solution is 12.9% of the total.

We are required to find the acid content in millimeters.

To do that, we would take the following steps;

`12.9\%\text{ of }338=(12.9)/(100)*(338)/(1)`
`\begin{gathered} (12.9)/(100)*(338)/(1) \\ =0.129*338 \\ =43.602 \end{gathered}`

ANSWER:

12.9% acid solution would equal 43.602 millimeters.

Rounded to the nearest tenth would now give us;

43.6 millimeters.