In an experiment, you dissolve 0.30 g of KHP (MM = 204.22 g/mol) in 20 mL of DI water and titrate the sample with 0.10 M NaOH. Calculate the volume (to the nearest mL) of NaOH required to reach the equivalence point.

a) 3 ml

b) 15 ml

c) 20 ml

d) 30 ml

e) 100 ml