A Wildlife Biologist Is Interested in Testing the PH of the Water

Short Answer

A wildlife biologist is interested in testing the pH of the water in a lake. He obtains a 200.0-mL sample of the lake water and titrates this sample with a 0.050 M NaOH solution. Neutralization of the lake water requires 40.0 mL of the NaOH solution. Assuming that lake water sample only contains a strong acid, estimate the pH of the lake.