Question

you land a job as a laboratory assistant over the summer break. On your first day of your job, the laboratory technician hands you a bottle of 17.4 mol/L acetic acid and requests that you prepare a new solution that is 2.00 L and 1.50 mol/L. What volume of the original solution must you use to make this new solution?

Answer 1

2.0 L of 1.5 mol/L solution will contain 3 moles of acetic acid.

Proportion:

17.4 moles – 1000 ml (original solution)

3 moles – x ml (new solution)

x = 172.4 ml

Answer: 172.4 ml