strong and weak acids Flashcards
1
Q
A ______ acid is __________ ionised in aqueous solutions.
A
A strong acid is completely ionised in aqueous solutions.
2
Q
examples of strong acids
A
Hydrochloric, nitric and sulphuric acids
3
Q
____ acids only _________ ionise in aqueous solutions.
A
Weak acids only partially ionise in aqueous solutions.
4
Q
examples of weak acids
A
Ethanoic, citric and carbonic
acids
5
Q
The ________ the acid the _____ the pH.
A
The stronger the acid the lower the pH.
6
Q
what happens as the pH decreases by one unit?
A
the hydrogen ion concentration increases by a factor of 10.
7
Q
hydrogen ion concentration measurement for pH1
A
pH 1 = hydrogen ion concentration of 0.1 mol/dm 3 , pH 2 = 0.01mol/dm 3 and so on
