Skip to main content

New answers tagged

5 votes

By how much does sodium bicarbonate raise pH?

There is more to changing pH than just Sodium Bicarbonate(at least for pools). It is important to consider factors such as Calcium Hardness, Total Dissolved Solids, and temperature before making an ...
Ronith's user avatar
  • 1,339
1 vote

pH at maximum concentration of a certain species (Phosphoric acid)

What people find intuitive depends on their experience, and what proofs they can follow depends on their mathematical background. Thus, this might not add anything to Poutnik's or AChem's answer. ...
Karsten's user avatar
  • 40.7k
2 votes
Accepted

pH at maximum concentration of a certain species (Phosphoric acid)

The fraction of the dyhydrogenphosphate, while ignoring the third ionization, is: $$x(\ce{H2PO4-})=\dfrac{K_\text{a1}\cdot [\ce{H+}]}{[\ce{H+}]^2+K_\text{a1}.[\ce{H+}] + K_\text{a1} \cdot K_\text{a2}}\...
Poutnik's user avatar
  • 42.3k
1 vote

pH at maximum concentration of a certain species (Phosphoric acid)

Now that you have posted comment to the original question Phosphorsäure hat die folgenden drei pKa-Werte: pKa1 : 2.15 ; pKa2 : 7.20 ; pKa3 : 12.4 i) Bei welchem pH-Wert einer wässrigen ...
AChem's user avatar
  • 41.1k

Top 50 recent answers are included