Liquid diphenhydramine comes in a concentration of 12.5 mg per 5 ml

. Using the dosage calculated, how many milliliters of diphenhydramine should be administered to the child?

Answer:0.102 milliliters is required

Explanation:

The easy way to obtain this is to take unit conversation very important as diphenhydramine has a molar mass of 255.355grams per mole and the concentration of the liquid diphenhydramine is 12.5 milligrams per 5 milliliters.

We have to convert the molar mass into milligrams per mole by dividing by 1000 which yields 0.255355mg/mol then;

Simplify the molar mass divided by the concentration of the liquid diphenhydramine;

0.255355/12.5/5

This equals 0.102 milliliters!