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titrasi ph metri
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0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.50
1
2
3
4
5
6
7
8
9
10
11
12
Kurva Normal Pembakuan NaOH
Rata-Rata pH
Volume NaOH (mL)
Rata
-Rat
a pH
5.25, 8.5
0 1 2 3 4 5 6 7 80
1
2
3
4
5
6
7
87.6
Kurva Turunan Pertama
Kurva Turunan Pertama
Volume NaOH (mL)
ΔpH/
ΔV
0 0.525 1.05 1.575 2.1 2.625 3.15 3.675 4.2 4.725 5.25 5.775 6.3 6.825 7.35 7.875
-15
-10
-5
0
5
10
15
Kurva Turunan Kedua
Kurva Turunan Kedua
Volume NaOH (mL)
Δ" p
H /
Δ" V
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 80
2
4
6
8
10
12
Kurva Normal Titrasi CH3COOH Oleh NaOH
Rata-Rata pH
Volume NaOH (mL)
Rata
-Rat
a pH
4.725, 0
5.75, 8
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 80
1
2
3
4
5
6
7
8
9
7.91
Kurva Turunan Pertama
Kurva Turunan Pertama
Volume NaOH (mL)
ΔpH/
ΔV
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8
-20
-15
-10
-5
0
5
10
15
Kurva Turunan Kedua
Kurva Turunan Kedua
Volume NaOH (mL)
Δ" p
H /
Δ" V 5.25, 0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 70
1
2
3
4
5
6
7
8
9
10
11
12
Kurva Normal Titrasi HCl oleh NaOH
Kurva Normal
Volume NaOH (mL)
Rata
-Rat
a pH
0 1 2 3 4 5 6 70
2
4
6
8
10
12
14
12.74
Kurva Turunan Pertama
Kurva Turunan Pertama
Volume NaOH (mL)
ΔpH/
ΔV
4.25, 6.5
0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7 6
-30
-20
-10
0
10
20
30
Kurva Turunan Kedua
Kurva Turunan Kedua
Volume NaOH (mL)
Δ" p
H /
Δ" V
0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5 2.75 3 3.250
1
2
3
4
5
6
7
8
9
10
11
Kurva Normal Titrasi Sampel 1 (Frutang) oleh NaOH
Rata-Rata pH
Volume NaOH (mL)
Rata
-Rat
a pH
3.75, 0
1.25, 7.5
0 0.5 1 1.5 2 2.5 30
1
2
3
4
5
6
7
8
9
8
Kurva Turunan Pertama
Kurva Turunan Pertama
Volume NaOH (mL)
ΔpH/
ΔV
0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25
-15
-10
-5
0
5
10
15
Kurva Turunan Kedua
Kurva Turunan Kedua
Volume NaOH (mL)
Δ" p
H /
Δ" V
0.75, 0
0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5 2.75 3 3.25 3.5 3.75 4 4.250
2
4
6
8
10
12
Kurva Normal Titrasi Sampel 2 (Ale-Ale) oleh NaOH
Kurva Normal
Volume NaOH (mL)
Rata
-Rat
a pH
0 0.5 1 1.5 2 2.5 3 3.5 40
1
2
3
4
5
6
7
87.45
Kurva Turunan Pertama
Kurva Turunan Pertama
Volume NaOH (mL)
ΔpH/
ΔV
1.75, 8
0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5 2.75 3 3.25
-15
-10
-5
0
5
10
15
Kurva Turunan Kedua
Kurva Turunan Kedua
Volume NaOH (mL)
Δ" p
H /
Δ" V
Pembakuan NaOH Menggunakan KHP
Volume KHP = 5 mL
Volume NaOH (mL) pH 1 pH 2 Rata-Rata pH ΔV ΔpH ΔpH /
ΔVΔ" pH /
Δ" V0 4.08 4.13 4.105 0.5 0.265 0.53 -0.08
0.5 4.34 4.4 4.37 0.5 0.245 0.49 -0.221 4.57 4.66 4.615 0.5 0.19 0.38 -0.08
1.5 4.75 4.86 4.805 0.5 0.17 0.34 -0.062 4.95 5 4.975 0.5 0.155 0.31 0
2.5 5.1 5.16 5.13 0.5 0.155 0.31 03 5.25 5.32 5.285 0.5 0.155 0.31 0.28
3.5 5.41 5.47 5.44 0.5 0.225 0.45 0.364 5.63 5.7 5.665 0.5 0.315 0.63 1
4.5 5.92 6.04 5.98 0.5 0.565 1.13 12.945 6.48 6.61 6.545 0.5 3.8 7.6 -13.1
5.5 10.34 10.35 10.345 0.5 0.525 1.05 -1.226 10.87 10.87 10.87 0.5 0.22 0.44 -0.32
6.5 11.09 11.09 11.09 0.5 0.14 0.28 -0.187 11.24 11.22 11.23 0.5 0.095 0.19 -0.08
7.5 11.34 11.31 11.325 0.5 0.075 0.158 11.41 11.39 11.4
1.25, 0
Titrasi CH3COOH oleh NaOH
Volume CH3COOH = 5 mL
Volume NaOH (mL) pH 1 pH 2 Rata-Rata pH ΔV ΔpH ΔpH /
ΔVΔ" pH /
Δ" V0 3.46 3.47 3.465 0.5 0.355 0.71 -0.36
0.5 3.79 3.85 3.82 0.5 0.265 0.53 -0.21 4.06 4.11 4.085 0.5 0.215 0.43 -0.26
1.5 4.29 4.31 4.3 0.5 0.15 0.3 -0.022 4.44 4.46 4.45 0.5 0.145 0.29 0.06
2.5 4.59 4.6 4.595 0.5 0.16 0.32 03 4.76 4.75 4.755 0.5 0.16 0.32 0.04
3.5 4.91 4.92 4.915 0.5 0.17 0.34 0.084 5.09 5.08 5.085 0.5 0.19 0.38 0.4
4.5 5.26 5.29 5.275 0.5 0.29 0.58 1.945 5.51 5.62 5.565 0.5 0.775 1.55 12.72
5.5 6.22 6.46 6.34 0.5 3.955 7.91 -13.86 10.24 10.35 10.295 0.5 0.505 1.01 -1.22
6.5 10.76 10.84 10.8 0.5 0.2 0.4 -0.167 10.99 11.01 11 0.5 0.16 0.32
7.5 11.15 11.17 11.16
Titrasi Sampel 1 oleh NaOH
Sampel = Frutang
V sampel = 5 ml
Volume NaOH (mL) pH 1 pH 2 Rata-Rata pH ΔV ΔpH ΔpH/ΔV Δ" pH / Δ" V
0 3.99 4 3.995 0.5 0.68 1.36 1.10.5 4.6 4.75 4.675 0.5 0.955 1.91 12.181 5.54 5.72 5.63 0.5 4 8 -13.3
1.5 9.75 9.51 9.63 0.5 0.675 1.35 -1.32 10.26 10.35 10.305 0.5 0.35 0.7 -0.76
2.5 10.62 10.69 10.655 0.5 0.16 0.323 10.77 10.86 10.815 0.5
Titrasi HCl oleh NaOH
Volume HCl = 5 mL
Volume NaOH (mL)
pH 1 pH 2 Rata-Rata ΔV ΔpH ΔpH/ΔV Δ" pH /
Δ" V
0 2.34 2.18 2.26 0.5 0.02 0.04 0.060.5 2.36 2.2 2.28 0.5 0.035 0.07 0.11 2.39 2.24 2.315 0.5 0.06 0.12 0.02
1.5 2.44 2.31 2.375 0.5 0.065 0.13 0.122 2.51 2.37 2.44 0.5 0.095 0.19 0.12
2.5 2.6 2.47 2.535 0.5 0.125 0.25 0.33 2.7 2.62 2.66 0.5 0.2 0.4 1.28
3.5 2.88 2.84 2.86 0.5 0.52 1.04 23.44 3.37 3.39 3.38 0.5 6.37 12.74 -22.1
4.5 9.33 10.17 9.75 0.5 0.845 1.69 -2.25 10.46 10.73 10.595 0.5 0.295 0.59 -0.6
5.5 10.77 11.01 10.89 0.5 0.145 0.29 -0.16 10.94 11.13 11.035 0.5 0.12 0.24
6.5 11.07 11.24 11.155
Titrasi Sampel 2 oleh NaOH
Sampel = Ale-Ale
Volume Sampel = 5 mL
Volume NaOH (mL) pH 1 pH 2 Rata-
Rata pH ΔV ΔpH ΔpH/ΔV Δ" pH / Δ" V
0 3.78 3.78 3.78 0.5 0.765 1.53 0.40.5 4.61 4.48 4.545 0.5 0.865 1.73 0.281 5.54 5.28 5.41 0.5 0.935 1.87 11.16
1.5 6.42 6.27 6.345 0.5 3.725 7.45 -12.722 10.13 10.01 10.07 0.5 0.545 1.09 -1.14
2.5 10.63 10.6 10.615 0.5 0.26 0.52 -0.563 10.87 10.88 10.875 0.5 0.12 0.24 -0.1
3.5 10.99 11 10.995 0.5 0.095 0.194 11.1 11.08 11.09 -4