Q2. Calculate the pH of a 6.73 x 10 M H3PO4 (phosphoric acid) solution. Molar mass H3PO4=97.994 Density H3PO4= 1.88 ml →-106 [ 20.19 × 10 -47 = -109(2014) +410916 ↓ pH = -log[H¹] Нуроч эзна трой mol PH=-luy [Ht?" CHP->
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.
![Q2. Calculate the pH of a 6.73 x 10 M H3PO4 (phosphoric acid) solution.
pH = -log[H¹]
Нуроч -3 зн+
V
Molar mass H3PO4= 97.994
mol
Density H3PO4 = 1.88
трой
ml
3x 6.73x10-4 = 20.19 x 10-4 m²
PH=-loy CHT? -> -10% (20.19 × 10 -47 = -109(2014)+-4104 10
↓
Pl+=2.69
G-1.30574
Q3. Calculate the [H] (concentration of the H¹) of a HCl solution when the pH = 2.88
**Hint to solve Q3: antilog
pH = -log[H]
CH+] = arriles (PH)
o`pl
i
10-2.88
g
mol
Molar mass HC1= 36.458.
↓
1.318 × 10 ²1x10
(1.32)
Density HCl = 1.18 E
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