V(NaOH)pH△pH△V△pH/△V?V△(△pH/△V)△?V
0 2.97
5.40 4.32
7.01 4.500.18 1.610.112 6.205
7.83 4.580.080.820.0987.42-0.0142 1.215 9.15 4.720.14 1.320.1068.490.0085 1.07
11.31 4.940.22 2.160.10210.23-0.0042 1.74
12.42 5.090.15 1.110.13511.8650.0333 1.635 12.50 5.100.010.080.12512.46-0.01010.595 12.65 5.120.020.150.13312.5750.00830.115
12.95 5.160.040.30.13312.80.00000.225
13.25 5.200.040.30.13313.10.00000.3 13.45 5.230.030.20.15013.350.01670.25 13.69 5.250.020.240.08313.57-0.06670.22 13.70 5.260.010.01 1.00013.6950.91670.125
13.85 5.280.020.150.13313.775-0.86670.08
14.30 5.370.090.450.20014.0750.06670.3
14.65 5.430.060.350.17114.475-0.02860.4
15.15 5.550.120.50.24014.90.06860.425
15.25 5.580.030.10.30015.20.06000.3
16.55 6.010.43 1.30.33115.90.03080.7
17.15 6.280.270.60.45016.850.11920.95 17.40 6.450.170.250.68017.2750.23000.425 17.65 6.660.210.250.84017.5250.16000.25
17.85 6.910.250.2 1.25017.750.41000.225
18.057.250.340.2 1.70017.950.45000.2 18.157.530.280.1 2.80018.1 1.10000.15 18.207.680.150.05 3.00018.1750.20000.075 18.257.870.190.05 3.80018.2250.80000.05 18.307.980.110.05 2.20018.275-1.60000.05 18.358.090.110.05 2.20018.3250.00000.05 18.458.200.110.1 1.10018.4-1.10000.075 18.558.350.150.1 1.50018.50.40000.1 18.608.430.080.05 1.60018.5750.10000.075
18.758.510.080.150.53318.675-1.06670.1
19.108.690.180.350.51418.925-0.01900.25 19.308.980.290.2 1.45019.20.93570.275
19.509.200.220.2 1.10019.4-0.35000.2
20.3010.050.850.8 1.06319.9-0.03750.5 22.2011.11 1.06 1.90.55821.25-0.5046 1.35 24.2011.560.4520.22523.2-0.3329 1.95 26.2011.850.2920.14525.2-0.08002 29.2012.040.1930.06327.7-0.0817 2.5 32.2012.170.1330.04330.7-0.02003 36.2012.270.140.02534.2-0.0183 3.5
△pH2/△V2 -0.0117
0.0079
-0.0024
0.0204
-0.0170
0.0725
0.0000
0.0000
0.0667
-0.3030
7.3333
-10.8333
0.2222
-0.0714
0.1613
0.2000
0.0440
0.1255
0.5412
0.6400 Array 1.8222
2.2500
7.3333
2.6667
16.0000
-32.0000
0.0000
-14.6667
4.0000
1.3333
-10.6667
-0.0762
3.4026
-1.7500
-0.0750
-0.3738
-0.1707
-0.0400
-0.0327
-0.0067
-0.0052