Trial #2 phenolpthalein - 3 1 2 3 4 5 6 7 8 9 10 11 12...

Trial #2: Titration of Unknown Acid Against Standardized NaOH Using The Indicator Phenolpthalein
1
0.6 2.86
1.48 3.18
2.49 3.6
3.5 3.7
4.5 3.83
5.51 3.97
6.48 4.02
7.54 4.13
8.58 4.2
9.49 4.27
10.51 4.32
11.49 4.38
12.51 4.44
13.49 4.53
14.51 4.57
15.49 4.63
16.49 4.69
17.5 4.74
18.5 4.8
19.49 4.86
20.5 4.92
21.5 4.99
22.6 5.07
23.5 5.14
24.52 5.22
25.59 5.32
26.5 5.41
27.48 5.54
28.48 5.71
29.54 5.95
30.53 6.46
30.59 6.55
30.61 6.58

Trial #2: Titration of Unknown Acid Against Standardized NaOH Using The Indicator Phenolpthalein
2
30.68 6.63
30.72 6.71
30.79 6.8
30.9 7.07
30.98 7.29
31 7.67
31.09 9.15
31.13 9.77
31.2 10.07
31.25 10.26
31.32 10.43
31.41 10.61
31.49 10.67
31.52 10.72
SUMMARY OUTPUT
Regression Statistics
Multiple R 0.8
R Square 0.64
Adjusted R Square 0.64
Standard Error 1.39
Observations 48
ANOVA
df SS MS F Significance F
Regression 1 161.88 161.88 83.37 0
Residual 46 89.32 1.94
Total 47 251.2
Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0%
Intercept 2.34 0.46 5.13 0 1.42 3.25 1.42 3.25
X Variable 1 0.18 0.02 9.13 0 0.14 0.22 0.14 0.22

Trial #2: Titration of Unknown Acid Against Standardized NaOH Using The Indicator Phenolpthalein