Question

1. In the laboratory you dilute 5.39 mL of a concentrated 6.00 M hydrochloric acid solution to a total volume of 50.0 mL. What is the concentration of the dilute solution? _____________ M

2. In the laboratory you dilute 4.09 mL of a concentrated 6.00 M perchloric acid solution to a total volume of 100 mL. What is the concentration of the dilute solution? _____________ M

3. In the laboratory a student combines 30.8 mL of a 0.322 M chromium(II) bromide solution with 14.9 mL of a 0.474 M chromium(II) acetate solution.

What is the final concentration of chromium(II) cation ? ____________ M