pH calculations Flashcards
1
Q
What is pH a measure of?
A
The concentration of H+ ions in a solution
2
Q
What equation is used to calculate pH?
A
pH = - log [H+]
3
Q
What equation is used to calculate [H+] from pH?
A
[H+] = 10⁻ᵖᴴ
4
Q
What do you do differently with diprotic acids when calculating the pH?
A
Multiple [H+] by 2
5
Q
How do you calculate the pH of strong bases?
A
1) use the ionic product of water rearranged to work out [H+] = Kw / [OH-]
2) Place the value of [H+] into -log[H+] to get pH
