Question

How many liters of pure water must be added to 300 liters of a 30% acid solution to make an acid solution that is 20%?

Answer 1

I need help please this is due tommorow.

Answer 2

does it give a formula to use

Answer 3

so the amount of water in 30% acid solution is=300(1-30/100)=210 liter
the amount of water in 20% acid solution is=300(1-20/100)=240 liter
so the amount of water to be added is=240-210=30 liter

Answer 4

So how do you set it up that is all I need