Question
Asked Mar 1, 2019
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What is the pH of 0.0850  Fe(NO3)3 (Ka of Fe3+ = 3.00x10-3)?  Express your answer to two decimal places.

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Expert Answer

Step 1

Given concentration of Fe(NO3)3 is 0.0850 M

Step 2

Calculation of pH:

Fe3+ ion will hydrolyze to produce small amounts of H3O+ and Fe(OH)2+.

 

Molarity

       Fe3+ + H2O      ⇌                  H3O+        +        Fe(OH)2+

Initital

0.0850

...
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