A Buffer Is Prepared by Adding 1

question 87

Multiple Choice

A buffer is prepared by adding 1.00 L of 1.0 M HCl to 750 mL of 1.5 M NaHCOO. What is the pH of this buffer? K_a = 1.7 * 10¯⁴

• A) 2.87
• B) 3.72
• C) 3.82
• D) 3.95
• E) 4.66

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Definitions:

Proportion

A part, share, or number considered in comparative relation to a whole; often expressed as a fraction or percentage.

Sample

A subset of a larger population, selected for the purpose of conducting statistical analysis or experimentation.

Parameter

A quantity that characterizes a statistical population and can be estimated by a function of the sample data.

Undergraduates

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