Solve the problem.Chandra has 2 liters of a 28% 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 7 liters of 43% solution?

A. 5 liters of 47% solution
B. 5 liters of 49% solution
C. 5 liters of 50% solution
D. 5 liters of 52% solution


Answer: B

Mathematics

You might also like to view...

Calculate the flow in the field F along the path C.F = ?(xy2z3); C is the line segment from (3, 1, 1) to (4, 1, -1)

A. 8 B. 11 C. -2 D. -7

Mathematics

Simplify.

A. 13 B. 84 C. 14 D. Not a real number

Mathematics

Determine if the function is a solution to the given differential equation.y = 4e2x + xe2x; y'' - 2y' + 1 = 0.

A. No B. Yes

Mathematics

Find the sum of the infinite geometric series.

What will be an ideal response?

Mathematics