   # Children’s Tylenol is a solution containing 32 mg/mL. The recommended dose for a 2-year-old child is 120 mg. How many milliliters should be given to the child? ### Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

#### Solutions

Chapter
Section ### Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 17, Problem 64E
Textbook Problem
1 views

## Children’s Tylenol is a solution containing 32 mg/mL. The recommended dose for a 2-year-old child is 120 mg. How many milliliters should be given to the child?

Interpretation Introduction

Interpretation:

The recommended dose of Tylenol in millimetres for a child is to be determined.

Concept Introduction:

Dimensional analysis is used to set up and solve a unit conversion problem using conversion factors. Dimensional analysis is a way to convert units of measurement. In order to convert from one unit to another, the relationship between those units is to be known. These relationships are called conversion factors.

To perform a conversion between 2 units, a quantity given in a particular unit is converted into another unit. This type of conversion is as follows:

(quantity given)×(conversion factor)=(quantity sought)

A conversion factor is a fraction in which the numerator is the unit into which the quantity is to be converted and the denominator is the unit from which it is converted.

### Explanation of Solution

Given information: Children’s Tylenol is a solution containing 32mg/mL. The recommended dose for a 2 year-old child is 120 mg.

First, find the conversion factor. It is given that 32mg contains 1 mL Tylenol.

Therefore, the conversion factor according to the definition is 1 mL32 mg

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