Phosphoric acid is a triprotic acid with the pK, values pK1 = 2.148, pK2 = 7.198, and pK3 = 12.375. You wish to prepare 1.000 L of a 0.0600 M phosphate buffer at pH 7.480. To do this, you choose to mix the two salt forms involved in the second ionization, NaH,PO, and Na, HPO,. in a 1.000 L volumetric flask and add water to the mark. What mass of each salt will you add to the mixture? mass NaH, PO, mass Na, HPO, = What other combination of phosphoric acid and its salts could be mixed to prepare this buffer? NaH,PO, and Na, PO, ОНРО, and Na, PO, Н, РО, and NaH, PO, |Н, РО, and Na,HPO, O Na, HPO, and Na, PO,
Ionic Equilibrium
Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
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Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.
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