K = Write the net ionic equation of the reaction that is responsible for the pH of the following solutions: a. NH4CI b. H3PO4

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K =
Write the net ionic equation of the reaction that is responsible for the pH of the
following solutions:
a. NHẠCI
b. H3PO4
ions:
Transcribed Image Text:K = Write the net ionic equation of the reaction that is responsible for the pH of the following solutions: a. NHẠCI b. H3PO4 ions:
Expert Solution
Step 1: (a) Ammonium chloride

As it is mentioned that they are solutions, water is used for dissolution.

pH of a solution is determined using the following equation:

                    pH=-log[H+]

So, by determining the concentration of H+ ions in the solution the pH of the solution can be determined.

The net ionic equations responsible for pH of the solution are:

 (a) NH4Cl :

     NH4Cl(aq) +H2O(l)  H3O+(aq) + NH3(aq) + Cl-(aq)

So by determining the concentration of  H3O+ the pH of the solution is calculated using the above formula.

Here, H3O+ represents the H+ ions.

 

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