Question:

You need a 85% alcohol solution. On hand, you have a 65 mL

Last updated: 7/16/2022

You need a 85% alcohol solution. On hand, you have a 65 mL

You need a 85% alcohol solution. On hand, you have a 65 mL of a 30% alcohol mixture. You also have 90% alcohol mixture. How much of the 90% mixture will you need to add to obtain the desired solution?