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

question 121

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 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. Is the lake acidic, basic, or neutral?

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Definitions:

FICA-Medicare

A federal payroll (or employment) tax contribution towards Medicare, part of the FICA taxes in the United States.

Cumulative Earnings

The total amount of net income (or loss) earned by a company over a period of time, often used to measure its financial performance.

OASDI

An acronym for Old-Age, Survivors, and Disability Insurance, which is a comprehensive federal benefits program that provides benefits to eligible American workers and their families.

Medicare

A federal health insurance program in the United States primarily for people aged 65 and over, as well as for some younger people with disabilities.