Question:

You need 330 mL of a 90% alcohol solution. On hand, you have

Last updated: 7/16/2022

You need 330 mL of a 90% alcohol solution. On hand, you have

You need 330 mL of a 90% alcohol solution. On hand, you have a 70% alcohol mixture. How much of the 70% alcohol mixture and pure alcohol will you need to obtain the desired solution? You will need and mL of the 70% solution mL of pure alcohol.