Acids, Bases And Buffers Flashcards
0
Q
What is the brønsted-Lowry definition of a base?
A
A proton acceptor
1
Q
What is the brønsted-Lowry definition of an acid?
A
It is a proton donor
2
Q
What is the equation for Kw, the equilibrium constant?
A
Kw=[H+(aq)]eqm [OH-(aq)]eqm
3
Q
What is the definition of a substances pH?
A
-log10[H+(aq)]
4
Q
How do you find [H+(aq)] from pH?
A
10^-pH
5
Q
How do we find [OH-(aq)] from pH?
A
First find the value for [H+(aq)] for example 10^-10. Take this away from 10^-14 to find the value for [OH-(aq)]. In this case it would be 10^-4
