An Environmental Chemist Obtained a 200

question 66

Short Answer

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?

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Definitions:

Observer Drift

A situation that occurs when at some point in the observation process the criteria the rater is using to respond to each item changes.

Systematic Error

A situation that occurs when a test being used consistently measures a domain other than the trait it was designed to assess.

Criteria

Standards or rules by which something can be judged or decided.

Range of Actions

The spectrum or variety of behaviors or activities an individual can perform or engage in.