Question

If 10.00 mL of a 0.250 M NaCI solution is diluted to 500.00 mL, what is the concentration of the diluted solution

Answer 1

Use the dilution equation of:
M1 • V1 = M2 • V2.
So,
(10 mL)(0.25 M) = (500 mL)(x M)
(10 • 0.25)/(500) = x
0.005 M = x