Question

 A solution is prepared by dissolving 150 mL of isopropyl alcohol in enough water to produce 1.5 L of rubbing alcohol solution.

a. What is the volume percent of alcohol in the solution?

b. What is the proof of the solution?

Answer 1

a) The volume percent is 1%

b)1%= $\frac{volume of solute} {volume of solution} × 100$

=1%