pH scale Flashcards
(6 cards)
1
Q
What does pH measure?
A
Concentration of H⁺ or OH⁻ ions
2
Q
What’s acidic, neutral, and alkaline pH?
A
<7 = acid, 7 = neutral, >7 = alkali
3
Q
What’s the pH scale based on?
A
It’s logarithmic — each pH = 10× ion concentration change
4
Q
Strong acids vs weak acids?
A
Strong acids fully dissociate; weak acids partially dissociate
5
Q
Examples of strong acids?
A
HCl, H₂SO₄, HNO₃
6
Q
Examples of weak acids?
A
Ethanoic, Citric, Carbonic
