Asked Apr 25, 2019
22. Determine the pH and pOH of the following 2 solutions:
a) A 4.5 x 103 M HBr solution.

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22. Determine the pH and pOH of the following 2 solutions: a) A 4.5 x 103 M HBr solution.


Expert Answer

Step 1

HBr is a strong acid that undergoes dissociation into its correspondin ions almost completely. Thus, the concentration of H+ ions produced from the dissocation of HBr = 4.5×10-3 M

Step 2

In the aqueous solution, water is also present and undergoes dissociation to form H+ ions and OH- ions as:

Step 3

The dissociation of water produces H+ ion concentration = 10 -7 M << 4.5 ×10-3 M

Thus, the H+ ions produced from water can be neglected in this in comp...


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