SOLUTION: How much water should be added to 800 cc of a 70% solution of boric acid to make it a 40% solution of boric acid
Algebra.Com
Question 300140: How much water should be added to 800 cc of a 70% solution of boric acid to make it a 40% solution of boric acid
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
How much water should be added to 800 cc of a 70% solution of boric acid to make it a 40% solution of boric acid
.
Let x = amount (cc) of water to be added
then
.70(800) = .40(800+x)
560 = 320+.40x
240 = .40x
600 cc = x (amount of water to add)
RELATED QUESTIONS
how many cc of water must be added 100cc of 80% solution of boric acid to reduce it to a... (answered by richwmiller)
A pharmacist has 6 liters of an 8% boric acid solution. How much water should he add to... (answered by Edwin McCravy,josmiceli)
A nurse has 6 L of a 3% boric acid solution. How much of a 10% boric acid solution must... (answered by josgarithmetic)
Grace has 3 liters of a mixture containing 49% of boric acid. How much water must be... (answered by josmiceli)
Benjamin has 1 litre of a mixture containing 49% of boric acid. How much water must be... (answered by josgarithmetic)
A pharmacist needs 20% boric acid solution. How much 60% boric acid solution must be... (answered by Fombitz)
how much water must be added to 8 gallons of 80% boric acid solution to reduce it to a... (answered by josmiceli)
How much 1% boric acid solution and 5% boric acid solution are needed to make 30 mL of (answered by mananth)
How much 1% boric acid solution and 6% boric acid solution have to be mixed to obtain 30... (answered by josgarithmetic)