A solution contains 0.177 M potassium hypochlorite and 0.337 M hypochlorous acid ( Ka = 3.5 × 10-8). The pH of this solution is Submit Answer Retry Entire Group 2 more group attempts remaining

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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A solution contains 0.177 M potassium hypochlorite and 0.337 M hypochlorous acid ( \( K_a = 3.5 \times 10^{-8} \) ).

The pH of this solution is [ ].

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- **Retry Entire Group**

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- 2 more group attempts remaining
Transcribed Image Text:A solution contains 0.177 M potassium hypochlorite and 0.337 M hypochlorous acid ( \( K_a = 3.5 \times 10^{-8} \) ). The pH of this solution is [ ]. Buttons: - **Submit Answer** - **Retry Entire Group** Text below buttons: - 2 more group attempts remaining
Expert Solution
Step 1: Given

Molarity of HOCl = 0.337M 

Molarity of KOCl = 0.177M 

Ka= 3.5× 10-8.  


Pka = -log(Ka) 

Pka = -log(3.5×10-8)

Pka = 7.456

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