consider 400 mL of a0.266 M LiNO3 solution. To what volume must it be diluted to make a 0.075 M LiNO3 solution.

Answer 1

Use the dilution formula of
c1v1 = c2v2
c = concn
v = volume.

Answer 2

0.266 x 0.400/0.075= 1.42 L