Volume percentage is defined as the volume of the solute present in the total volume of the solution multiplied by 100.
So, the correct answer is volume.
A solution contains 30 mL of ethyl alcohol mixed with 100 mL of water. The concentration of the solution in terms of volume by volume percentage is ___ %.
A solution contains x ml of ethyl alcohol mixed with 100ml of water. The concentration of the solution is 28.6% in terms of volume by volume percentage. Find x.