2. The energy of a photon that has a wavelength of 12.3 nm is _______ J.
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Answer:-
Explanations:- The solution we have is a buffer solution and we know that a buffer solution resists a change in its pH if a strong acid or base is added to it.
Here, the buffer solution we have is of a weak base and it's conjugate acid. So, a strong acid(nitric acid) is added to this buffer then it reacts with the base present in the buffer so that the acid could be neutralized. This is called buffer action.
The net ionic equation is written as:
Note that is a strong acid and nitrate ion is the spectator ion so it is not included in the net ionic equation.