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Complete the following table, which lists information about the measured acid dissociation constants of three unknown weak acids. Note: be sure each number you put in the table has the correct number of significant digits. Ka acid A B с 0 -6 1.2 × 10 pKa 6.4 11.344 relative strength (Choose one) (Choose one) (Choose one) 0 x10 X

Complete the following table, which lists information about the measured acid dissociation constants of three unknown weak acids. Note: be sure each number you put in the table has the correct number of significant digits. Ka acid A B с 0 -6 1.2 × 10 pKa 6.4 11.344 relative strength (Choose one) (Choose one) (Choose one) 0 x10 X

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Complete the following table, which lists information about the measured acid dissociation constants of three unknown weak acids. Note: be sure each number you put in the table has the correct number of significant digits. acid A B C Ва 0 1.2 × 10 6 pK a 6.4 11.344 relative strength (Choose one) ↑ (Choose one) î (Choose one) î x10 Ś
Transcribed Image Text:Complete the following table, which lists information about the measured acid dissociation constants of three unknown weak acids. Note: be sure each number you put in the table has the correct number of significant digits. acid A B C Ва 0 1.2 × 10 6 pK a 6.4 11.344 relative strength (Choose one) ↑ (Choose one) î (Choose one) î x10 Ś
Expert Solution
Step 1: basic discussion

We know-

The pKa is just the negative logarithmic value of Ka. That is,

bold pK subscript bold a bold equals bold minus bold logK subscript bold a

Acidity is proportional to Ka. The higher the Ka, the more the acidity.

pKa is inversely proportional to acidity. i.e. Higher the pKa value, the weaker the acid and vice versa. 


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