Peroxide

How many ml should we pour 30% of peroxide (H2O2) into 100ml H2O to give a 20% solution?

Correct answer:

x =  200 ml

Step-by-step explanation:

0.30 x=0.20(x+100)  0.30⋅ x=0.20⋅ (x+100)  0.1x=20  x=0.120​=200  x=200=200 ml

Try another example


Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Looking for a statistical calculator?
Our percentage calculator will help you quickly calculate various typical tasks with percentages.
Do you have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation?
Tip: Our volume units converter will help you convert volume units.

You need to know the following knowledge to solve this word math problem:

Units of physical quantities:

Themes, topics:

Grade of the word problem:

Related math problems and questions: