Solve the problem.
-In a chemistry class, 9 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?
A)5.5 L
B)4.5 L
C)3.5 L
D)9.0 L

Question

Quizplus · Accepted Answer

To find the amount of 10% solution needed, set up the equation: 0.04(9) + 0.10(x) = 0.06(9 + x). Solving for x gives x = 4.5 L.

Solve the Problem. -In a Chemistry Class, 9 Liters of a 4% Silver