In a titration experiment, 23.75 mL of a NaOH solution of unknown molarity were needed to titrate 1.248 g of KHP (potassium hydrogen phthalate, KHC8H4O4). What was the molarity of the NaOH solution?
a) 0.100 M
b) 0.150 M
c) 0.200 M
d) 0.250 M"