The volume of 7.91 M HCl needed to make 196.1 mL of 2.13 M HCl is ____.

Question

Select one:

a. 52.8

b. 728

c. 0.198

d. 3490

Answer 1

V1M1 = V2M2

(x ml)(7.91 M) = (196.1 ml)(2.13 M)

x = 55.28 ml = 52.8 ml (answer a)