Hi there. Can someone help me solve this, I am extremely confused. I have tried multiple times but end up with a decimal. Thank you! Determine the Ka of acetic acid. Recall that: pKa = - log(Ka). pH=pKa= 4.99

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Chapter1: Chemical Foundations
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Hi there. Can someone help me solve this, I am extremely confused. I have tried multiple times but end up with a decimal. Thank you!

Determine the Ka of acetic acid. Recall that: pKa = - log(Ka).

pH=pKa= 4.99

Expert Solution
Step 1

Acid dissociation constants (Ka) is distinguished between strong acid and weak acid.   Strong acid have Greater Ka value than weak acid 

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