A 250 ML Sample of an HCl Solution Is Titrated with with a 0.139

Multiple Choice

A 25.0 mL sample of an HCl solution is titrated with a 0.139 M NaOH solution. The equivalence point is reached with 15.4 mL of base. The concentration of HCl is ________ M.

A) 11.7
B) 0.00214
C) 0.0856
D) 0.267
E) 0.139