Chapter 11, Problem 11.47P

Interpretation Introduction

Interpretation:

Weight percent of $N{H}_3$ in the given sample of window cleaner has to be calculated.

Concept Introduction:

Weight percent is one of parameters used to express concentration of a solution.  It is expressed as,

$\text{Weight percent of a solute = }\frac{weight\text{ of solute}}{\text{weight of solution}}\times \text{ 100\%}$