Calculate the Percent Ionization of Cyanic Acid, K_a = 2

question 2

Multiple Choice

Calculate the percent ionization of cyanic acid, K_a = 2.0 × 10^-4, in a buffer solution that is 0.50 M HCNO and 0.10 M NaCNO.

• A)0.02%
• B)0.10%
• C)0.20%
• D)2.0%
• E)20%

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Definitions:

Independent Variable

The factor proposed to change the behavior under study in an experiment; it is systematically manipulated during an experiment.

Experimental Research

A research design that permits inferences about cause and effect by exerting control, systematically manipulating a variable, and studying the effects on measured variables.

Control Group

In experimental research, the group of participants that does not receive the experimental treatment, used for comparison purposes.

Random Assignment

A method of assigning participants that ensures each participant has an equal chance of being assigned to the experimental group or control group.