4.4.2: pH calculations Flashcards
1
Q
The pH scale
A
A measure of hydrogen ion concentration on a solution
2
Q
Equation for calculating pH
A
pH = -log10 [H+]
3
Q
Units of [H+] concentration in solution
A
moldm-3
4
Q
Equation for calculating H+ concentration
A
[H+] = 10(-pH)
5
Q
Monoprotic acid
A
Each molecule of acid will release one proton when it dissociates
6
Q
Example of strong monoprotic acids
A
HCl and HNO3
7
Q
Diprotic acid
A
each molecule of acid will release two protons when it dissociates
8
Q
Example of a strong diprotic acid
A
H2SO4
9
Q
In diprotic acids, the concentration of H+ is…
A
the concentration of H+ is twice the concentration of the acid
10
Q
Examples of strong bases
A
NaOH and KOH
