SOLUTION: to prepare 500 ml of alcohol 20% using alcohol 70% and water. How many milliliters
of each are needed?
Algebra.Com
Question 701112: to prepare 500 ml of alcohol 20% using alcohol 70% and water. How many milliliters
of each are needed?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
to prepare 500 ml of alcohol 20% using alcohol 70% and water. How many milliliters
of each are needed?
-------------------
500 ml of 20% = 100 ml of alcohol
100 ml/0.7 = 142.9 ml of 70%
The rest is water.
RELATED QUESTIONS
How many mL of 95% alcohol are needed to prepare 60 mL of 30%... (answered by josmiceli)
How many mL of 70% alcohol should be mixed with 20 mL of 20% alcohol to prepare 50%... (answered by josgarithmetic)
SOLUTION: How many mL of 70% alcohol should be mixed with 20 mL of 20% alcohol to prepare (answered by Alan3354)
How many milliliters of 70% alcohol can be made from 500 ml of 91% alcohol?
How much... (answered by stanbon)
You are to prepare 1500 milliliters of an alcohol solution containing 0.3 ethyl alcohol... (answered by josmiceli)
Monico needs to mix a 20% alcohol solution with a 60% alcohol solution to create 200... (answered by lwsshak3)
A pharmacist has a 10% alcohol solution and a 25% alcohol solution. How many milliliters... (answered by Alan3354)
A lab technician mixed a 560 ml solution of water and alcohol. If 3% of the solution is... (answered by ankor@dixie-net.com)
A lab technician mixed a 650650 ml solution of water and alcohol. If 3% of the... (answered by ikleyn)