Calculate the Final PH of a Solution Made by the Addition

question 58

Multiple Choice

Calculate the final pH of a solution made by the addition of 10 mL of a 0.5 M NaOH solution to 500 mL of a 0.4 M HA originally at pH = 5.0 (pKa = 5.0) Neglect the volume change.

• A) 6.10
• B) 5.09
• C) 7.00
• D) 5.55

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Definitions:

Relaxed

A state or condition where there is an absence of tension or anxiety, often characterized by calmness and ease.

Variable

A characteristic, number, or quantity that increases or decreases over time, or takes different values in different situations.

Diversify Sources

A strategy to reduce risk in investment or business operations by acquiring a wide range of assets or various types of resources.

Dependency

A situation where one entity relies on another for support, resources, or sustenance.