Acid or base?
Concentration / pH
0 0.91
0.5 0.88
1 0.91
1.5 0.94
2 0.96
2.5 0.99
3 1.01
3.5 1.02
4 1.04
4.5 1.06
5 1.08
5.5 1.1
6 1.12
6.5 1.13
7 1.15
7.5 1.17
8 1.19
8.5 1.21
9 1.23
9.5 1.24
10 1.27
10.5 1.29
11 1.3
11.5 1.32
12 1.34
12.5 1.38
13 1.41
13.5 1.42
14 1.46
14.5 1.48
15 1.51
15.5 1.53
16 1.59
16.5 1.61
17 1.63
17.5 1.69
18 1.73
18.5 1.79
19 1.84
19.5 1.96
20 1.97
20.5 2.04
21 2.14
21.5 2.23
22 2.4
1
, Mohammed Salam Unit 13
22.5 2.59
23 3.5
23.5 9.92
24 11.03
24.5 11.38
25 11.68
25.5 11.76
26 11.84
26.5 11.9
27 11.95
27.5 11.99
28 12.03
28.5 12.06
29 12.1
29.5 12.13
30 12.16
30.5 12.18
31 12.2
31.5 12.22
32 12.24
32.5 12.26
33 12.27
33.5 12.29
34 12.31
34.5 12.32
36 12.33
37 12.33
38 12.38
39 12.39
40 12.41
41 12.43
42 12.45
43 12.46
44 12.46
45 12.49
46 12.49
47 12.5
48 12.51
49 12.52
50 12.53
Graph of sodium hydroxide against hydrochloric acid:
2