Question

What is the difference between percent by mass and percent by volume?

Answer 1

Percent by mass involves the weight in grams

While Percent by volume involves the weight in moles

Step-by-step explanation:

Percent by mass (m/m) is the mass of solute divided by the total mass of the solution, multiplied by 100 %.

While Percent by volume (v/v) is the volume of solute divided by the total volume of the solution, multiplied by 100 %.