Explain a wildlife biologist is interested in testing the pH of the water in a lake. He obtains a 200mL sample of the water and titrates this sample with a 0.050 M NaOH solution. Neutralization of the lake water requires 40mL of the NaOH solution.
Approximate the pH of the lake.
a) 6
b) 2
c) 1
d) 4
e) 3