Question

Solve the problem.

Chandra has 5 liters of a 24% solution of sodium hydroxide in a container. What is the amount and concentration of sodium hydroxide solution she must add to this in order to end up with 8 liters of 27% solution?
Choose one answer.
a. 3 liters of 32% solution
b. 3 liters of 30% solution
c. 3 liters of 35% solution
d. 3 liters of 33% solution

Answer 1

5*0.24+3*x=8*0.27

x=0.32

so a. is the answer