Question

You have been asked to do a dilution of a copper sulfate solution. The solution to be diluted is 2.88 M copper sulfate.

What volume of the 2.88 M copper sulfate is required to make 250 mL of 1.03 M copper sulfate solution?

Answer 1

you want to dilute it 2.88/1.03 =2.796times, which means 1 part original, 1.796 parts water.

what is 1 part? 1 Part= 250ml/2.796=89.4 ml original solution, then 250-89.4 ml water. Stir, label.