Question

A solution of cough syrup contains 5.00% active ingredient by volume. If the total volume of the bottle is 14.0 mL , how many milliliters of active ingredient are in the bottle?

Answer 1

To solve multiply 14 by 5%, so 14*.05=.7
So there are .7 mL of active ingredient in this cough syrup

Answer 2

Answer : The volume of active ingredient present in the bottle are 0.7 mL

Explanation :

As we are give that:

5.00 % by volume means that 5.00 mL of active ingredient present in 100 mL of solution.

As, 100 mL of solution contains 5.00 mL of active ingredients

So, 14.0 mL of solution contains $\frac{14.0}{100}\times 5.00=0.7mL$ of active ingredients

Therefore, the volume of active ingredient present in the bottle are 0.7 mL