J.R. S. answered • 07/06/20

Ph.D. University Professor with 10+ years Tutoring Experience

Original volume + 10 ml of solution B = 20 ml, so original volume must have been 10 mls.

V1M1 = V2M2

V1 = initial volume = 10 ml

M1 = initial concentration = 0.200 M

V2 = final volume = 20 ml

M2 = final concentration = ?

(10 ml)(0.200 M) = (20 ml)(x M)

x = 0.100 M KIO3

Simi K.

ok Thank you Mr.Steven07/05/20