How many milliliters of 1.0 M HCl can you prepare if you only have 28.5 mL of the concentrated HCl, which is 12.1 M? Given (m₁v₁ = m₂v₂).

a) 23.5 mL
b) 33.8 mL
c) 18.7 mL
d) 15.4 mL