What Is the PH of a Solution That Consists of 0.50

question 9

Multiple Choice

What is the pH of a solution that consists of 0.50 M H₂C₆H₆O₆ (ascorbic acid) and 0.75 M NaHC₆H₆O₆ (sodium ascorbate) ? For ascorbic acid, K_a = 6.8 *10¯⁵

• A) 3.76
• B) 3.99
• C) 4.34
• D) 4.57
• E) 5.66

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Definitions:

Logic

The study of principles of reasoning, especially the structure of propositions as distinguished from their content and of method and validity in deductive reasoning.

Thermocouple

"A temperature-measuring device that utilizes two dissimilar metals for temperature measurement. As the junction of the two dissimilar metals is heated, a proportional voltage difference, which can be measured, is generated."

Source A

May refer to the original or primary input in data processing, programming, or electrical systems, distinguishing it from secondary sources.