Answer: The pH of the 0.02 M HCl solution is 2.
Explanation:
The pH of the solution is defined as negative logarithm of hydrogen ion concentration in a solution.
[tex]pH=-\log[H^+][/tex]
The pH of the HCl solution of 0.01 Molar willbe :
[tex]HCl(aq)\rightarrow H^+(aq)+Cl^-(aq)[/tex]
0.01 Molar of HCl will produce 0.01 M of [tex][H^+][/tex] ions.
[tex][H^+]=0.01 M[/tex]
[tex]pH=-\log[H^+]=-\log[0.01]=2[/tex]
The pH of the 0.02 M HCl solution is 2.
