Question

To what volume should you dilute 50.5 ml of a 5.05 M KI solution so that 25.5 ml of the diluted solution contains 3.30 g of KI?

A) 13.4 ml
B) 50.5 ml
C) 75.7 ml
D) 101 ml

Answer 1

To dilute the 50.5 ml of 5.05 M KI solution to achieve a final concentration of 0.100 M, you will need to dilute the solution to a volume of 13.4 ml.

Step-by-step explanation:

To dilute the 50.5 ml of 5.05 M KI solution, we can use the formula:

C1V1 = C2V2

where C1 is the initial concentration, V1 is the initial volume, C2 is the final concentration, and V2 is the final volume.

Plugging in the values, we get:

(5.05 M)(50.5 ml) = (3.30 g/166 g/mol)(V2)

Simplifying, we find that V2 = 13.4 ml.

Therefore, the volume to which the KI solution should be diluted is 13.4 ml.