47 In a titration, 20.0 milliliters of a 0.150 M NaOH(aq) solution exactly neutralizes 24.0 milliliters of an HCl(aq) solution. What is the concentration of the HCl(aq) solution?(1) 0.125 M (3) 0.250 M
(2) 0.180 M (4) 0.360 M