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Assuming Complete Dissociation, Calculate the Ph of the Following Solutions: 0.002 M Hbr - CBSE (Science) Class 11 - Chemistry

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Question

Assuming complete dissociation, calculate the pH of the following solutions: 0.002 M HBr

 

Solution

0.002 HBr:

`HBr + H_2O ↔ H_3O^+  + Br^-`

`[H_3O^+] = [HBr]`

`=> [H_3O^+] = .002`

`:. pH = - log [H_3O^+]`

= -log(0.002)

= 2.69

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Solution Assuming Complete Dissociation, Calculate the Ph of the Following Solutions: 0.002 M Hbr Concept: Ionization of Acids and Bases - The pH Scale.
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