Question

What volume of ethyl alcohol and water must be mixed together to prepare 250ml 60% by volume of alcohol in the water?

Answer 1

• 60% by volume of alcohol solution means,each 100 ml of solution will have 60 ml ethyl alcohol.
• Hence in a 250ml solution of 60% by volume of alchohol and water,alcohol should be 150 ml and water should be 100 ml.