Chapter 17, Problem 69E

Interpretation Introduction

Interpretation:

The lethal dose of cocaine for an $80\text{ kg}$ person is to be determined.

Concept Introduction:

${\text{LD}}_{50}$ is a standard amount of drug required per kg of body weight.

In the conversion of units, the given quantity in a certain unit is expressed in another unit. This type of conversion is as follows:

$\left(\text{quantity given}\right)\times \left(\text{conversion factor}\right)=\left(\text{quantity sought}\right)$

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