Question

The chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Answer 1

the answer is 400 mL

Answer 2

Answer:

400 mL

The next answers are: 600 mL, and then 180 g

Step-by-step explanation:

these are the correct answers on ed-genuity, hope this helps! :)