Question

moonshine has 50 liters of a 70% alcohol solution.how many liters of pure alcohol must be added to obtain an 80% alcohol solution?



The alcohol content is .7*50=35 liters.
Then, adding alcohol...
35+V=.80*(50+V)

solve for V, volume alcohol added

Related Questions

a chemist has a solution that is 20 percent alcohol by volume. which of the following expressions re... Pewee adds two liters of pure alcohol to a 30% solution of alcohol in water. If the new concentratio... A laboratory assistant is asked to mix a 30% alcohol solution with 21 liters of an 80% alcohol solut... A chemistry student needs to make 60 liters of a 30% alcohol solution. He has a 20% alcohol solution...