Summary

You need to know the definition below:

The % w/v of any component is the number of grams of that
component contained in 100 cm3 (or 100 ml) of the total product.


If you know this definition, you can solve problems involving percent
weight by volume, either by using ratios, or by using the equation below:


% w/v = mass of solute x             100                (g/100 cm3)
volume of product