Suppose that x liters of pure acid are added to 200 liters of a 35% acid solution.a. Write...

Suppose that x liters of pure acid are added to 200 liters of a 35% acid solution.

a. Write a formula that gives the concentration, C , of the new mixture. (Hint: See Exercise)

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b. How many liters of pure acid should be added to produce a new mixture that is 74% acid?

Exercise

A company wants to increase the 10% peroxide content of its product by adding pure peroxide (100% peroxide). If x liters of pure peroxide are added to 500 liters of its 10% solution, the concentration, C , of the new mixture is given by

How many liters of pure peroxide should be added to produce a new product that is 28% peroxide?