pH scale Flashcards
1
Q
A strong acid is what pH?
A
1 to 2-3
2
Q
A weak acid is what?
A
4-5 to 6.9
3
Q
A strong base is what?
A
14 to 12-13
4
Q
A weak base is what?
A
8-9 to 7.1
5
Q
A neutral substance is what pH?
A
7
6
Q
pH amount varies by what?
A
a factor of 10 (x10)
7
Q
If all of most of the H dissociates from the anion then the solution is what?
A
A strong acid
8
Q
pH 1 has how much more free H+ than pH 3?
A
100 times more
9
Q
How much free H+ is there in pH 1 and pH 10? (scientific notation)
A
pH 1 - 1x10^-1 mol/L
pH 10 - 1x10^-10 mol/L
10
Q
If the pH of acid rain is 5 instead of 7, how many times stronger is the acid rain?
A
100 times
