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8/19/2019 Print Plots New
1/5
72.55 72.6 72.65 72.7 72.75 72.8
-8
-6
-4
-2
0
2
4
6
f(x) = - 62.5x + 4542.75R² = 1
second equivalence point
vol NaOH
d2(pH)/dv2
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8/19/2019 Print Plots New
2/5
69 70 7 72 7! 74 75
-8
-6
-4
-2
0
2
4
6
8
Second Equivalence Poin
!ol. "a#$
d2(pH)/dv2
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3/5
0 2 4 6 8 0 2 4 6 8 2
-0.04
-0.0!
-0.02
-0.0
0
0.0
0.02
0.0!
0.04
0.05
%i&' Equivalence Poin
!ol. "a#$
d2(pH)/dv2
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4/5
0 0 20 !0 40 50 60 70 80 90
0.
0.2
0.!
0.4
0.5
0.6
0.7
0.8
0.9
'econd de&ivaive
!ol. "a#$
d2(pH)/dv2
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5/5
7.4 7.6 7.8 8 8.2 8.4
-0.0!
-0.02
-0.0
0
0.0
0.02
0.0!
0.04
0.05
f(x) = - .6x + .4
R² = 1
"#st equivalence point
vol NaOH
d2(pH)/dv2
0 0.0 0.02 0.0! 0.04 0.05 0.06
0.92
0.94
0.96
0.98
.02
.04
.06
.08
.
.2
f(x) = .4 ln(x) + 1.21R² = .
cali*&aion cu&ve
%e,+
a*'
