By titration, it is found that 35.1 mL of 0.148 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution.

Answer 1

Titration equation for monoprotic acid/base is M_AV_A = M_BV_B (Solve for M_A) (You don't have to convert ml to liters in this case.