An Environmental Chemist Obtained a 200

Multiple Choice

An environmental chemist obtained a 200. mL sample of lake water believed to be contaminated with a single monoprotic strong acid. Titrating this sample with a 0.0050 M NaOH(aq) required 7.3 mL of the NaOH solution to reach the endpoint. What is the pH of the lake

A) 3.54
B) 3.74
C) 3.94
D) 4.14
E) None of the above