Question

what volumes of ethyl alcohol and water should be mixed to prepare 500ml of 40% (v/v) solution

Answer 1

Answer:

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