.02*66+.08*Va=.04(Va+66)
solving for Va
Va(.08-.04)=66(.04-.02)
Va=66(.02)/.04=33 liters
so your chart should be...
66 - 0.02 - 1.32
x - 0.08 - .08x
66+x - 0.04 -2.64+.04x
Your x is my Vacid Va
I am not certain why your teacher is using these charts, most students get lost in them...as you did.
A chemist wishes to mix a solution that is 4% acid. She has on hand 66 liters of a 2% acid solution and wishes to add some 8% acid solution to obtain the desired 4% acid solution. How much 8% acid solution should she add?
There is a chart that I have to fill out:
Liters of solution-% acid-liters of pure acid
6 - 0.02 - ?
x - 0.08 - ?
? - 0.04 - ?
1 answer
1 answer