pH scale |
<----- ACIDIC | NEUT. | BASIC -----> | |||||||||||||
[H+] = | 1 M |
1 10 |
1 100 |
1 1000 |
1 104 |
1 105 |
1 106 |
1 107 |
1 108 |
1 109 |
1 1010 |
1 1011 |
1 1012 |
1 1013 |
1 1014 |
| 100 | 10-1 | 10-2 | 10-3 | 10-4 | 10-5 | 10-6 | 10-7 | 10-8 | 10-9 | 10-10 | 10-11 | 10-12 | 10-13 | 10-14 |
![]() | |||||||||||||||
pH | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
pOH | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
[OH-] = | 10-14 | 10-13 | 10-12 | 10-11 | 10-10 | 10-9 | 10-8 | 10-7 | 10-6 | 10-5 | 10-4 | 10-3 | 10-2 | 10-1 | 100 |