aq 6. (i) Define pH in words. The strong acid HCl has a pH value of 1, use the following equation for a strong acid: HCI, à H+ + Cla aq aq aq And convert the following expression to deduce the hydrogen ion concentration: pH = -log₁0 [H*] 10 (ii) Use the above expression to deduce the pH of HCl (aq) given the concentration of the acid to be 4.5 mol/dm³ pH =
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.
Arrhenius Acid
Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.
Bronsted Lowry Base In Inorganic Chemistry
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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6. (i) Define pH in words. The strong acid HCl has a pH value of 1, use
the following equation for a strong acid:
HCI, à
H+
+
Cla
aq
aq
aq
And convert the following expression to deduce the hydrogen ion
concentration:
pH = -log₁0 [H*]
10
(ii) Use the above expression to deduce the pH of HCl (aq) given the
concentration of the acid to be 4.5 mol/dm³
pH =
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