perhitungan analitik 1 semester 5
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7/24/2019 Perhitungan Analitik 1 Semester 5
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1. Dgn Indikator
a) H3PO4
PP MM
V pH V pH
14.2 9.67 6.8 5.57
13.3 9.1 6.7 5.38
No.Volume (mL)
pp mm
1 14.2 6.8
2 13.3 6.7
rata-rata 13.75 6.75
st.d!iasi ".636 "."71
#) $a3PO4
PP MM
V pH V pH
9.2 8.59 17.2 5.26
9.3 8.51 16.8 5.21
No.Volume (mL)
pp mm
1 9.2 17.2
2 9.3 16.8
rata-rata 9.25 17
st.d!iasi "."71 ".283
2. Dngan pH %tr
a) H3PO4
V NaOH pH1 pH2 pHr V NaOH pHr
" 1.78 1.89 1.835 " 1.835
1 1.97 2."2 1.995 1 1.995
2 2."1 2.16 2."85 2 2."85
3 2.27 2.31 2.29" 3 2.29"
4 2.47 2.54 2.5"5 4 2.5"5
5 2.72 2.86 2.79" 5 2.79"
6 3.21 3.76 3.485 6 3.485
7 5.81 5.98 5.895 7 5.895
8 6.32 6.48 6.4"" 8 6.4""
9 6.62 6.72 6.67" 9 6.67"
1" 6.88 7."1 6.945 1" 6.945
11 7.18 7.31 7.245 11 7.245
12 7.48 7.83 7.655 12 7.655
13 9.39 1".24 9.815 13 9.815
14 1".72 1".85 1".785 14 1".785
15 11."6 11.11 11."85 15 11."85
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7/24/2019 Perhitungan Analitik 1 Semester 5
2/21a) $a3PO4
V HCl pH1 pH2 pHr V HCl
" 2 4 6 8 1" 12"."""
2."""
4."""
6."""8."""
1"."""
12."""
pHr vs V
V
pHr
" 2 4 6 8 1" 12
"."""
".5""
1."""
1.5""
2."""
2.5""
3."""
pHr/V vs V1
V1
pHr/V
" 2 4 6 8 1" 12
-2.5""
-2."""
-1.5""
-1."""
-".5"""."""
".5""
1."""
1.5""
2."""
(pHr/V) vs V2
V2
(pHr/V)
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" 11.82 11.83 11.825 "
1 11.77 11.72 11.745 1
2 11.67 11.63 11.65" 2
3 11.55 11.51 11.53" 3
4 11.42 11.38 11.4"" 4
5 11.29 11.23 11.26" 5
6 11.12 11."3 11."75 6
7 1".88 1".75 1".815 7
8 1".46 1".25 1".355 8
9 9.16 8.54 8.85" 9
1" 7.73 7.52 7.625 1"
11 7.29 7.18 7.235 11
12 7."1 6.92 6.965 12
13 6.77 6.72 6.745 13
14 6.56 6.49 6.525 14
15 6.31 6.23 6.27" 15
16 5.99 5.86 5.925 16
17 5.32 4.35 4.835 17
18 3.16 3 3."8" 18
19 2.78 2.71 2.745 19
2" 2.54 2.5 2.52" 2"
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7/24/2019 Perhitungan Analitik 1 Semester 5
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7/24/2019 Perhitungan Analitik 1 Semester 5
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V1 pHr/V V2 (pHr/V)
" " " "
1 ".16" " "
2 "."9" 2 -"."7"
3 ".2"5 3 ".115
4 ".215 4 "."1"
5 ".285 5 "."7"
6 ".695 6 ".41"
7 2.41" 7 1.715
8 ".5"5 8 -1.9"5
9 ".27" 9 -".235
1" ".275 1" ".""5
11 ".3"" 11 "."25
12 ".41" 12 ".11"
13 2.16" 13 1.75"
14 ".97" 14 -1.19"
15 ".3"" 15 -".67"
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pHr V1 pHr/V V2 (pHr/V
14 16
14 16
14 16
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11.825 " " " "
11.745 1 -"."8 " "
11.65" 2 -"."95 2 -"."15
11.53" 3 -".12 3 -"."25
11.4"" 4 -".13 4 -"."1"
11.26" 5 -".14 5 -"."1"
11."75 6 -".185 6 -"."45
1".815 7 -".26 7 -"."75
1".355 8 -".46 8 -".2""
8.85" 9 -1.5"5 9 -1."45
7.625 1" -1.225 1" ".28"
7.235 11 -".39 11 ".835
6.965 12 -".27 12 ".12"
6.745 13 -".22 13 "."5"
6.525 14 -".22 14 "."""
6.27" 15 -".255 15 -"."35
5.925 16 -".345 16 -"."9"
4.835 17 -1."9 17 -".745
3."8" 18 -1.755 18 -".665
2.745 19 -".335 19 1.42"
2.52" 2" -".225 2" ".11"
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" 5 1""."""
2."""
4."""
6."""
8."""
1"."""
12."""
14."""
pHr vs V
V
pHr
" 5 1"
-2
-1.5
-1
-".5
"
pHr/V vs V
V1
pHr/V
".5""1."""
1.5""
2."""
(pHr/V) vs
pHr/V
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" 5 1"
-1.5""
-1."""
-".5""
.
V2
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V $aOH pHr 1"&-pH
" 1.835 1.46'-"2
1 1.995 1."1'-"2
2 2."85 8.22'-"3
3 2.29" 5.13'-"3
4 2.5"5 3.13'-"35 2.79" 1.62'-"3
6 3.485 3.27'-"4
7 5.895 1.27'-"6
8 6.4"" 3.98'-"7
9 6.67" 2.14'-"7
1" 6.945 1.14'-"7
11 7.245 5.69'-"8
12 7.655 2.21'-"8
13 9.815 1.53'-1"
14 1".785 1.64'-11
15 11."85 8.22'-12
" ".5".""'(""
5.""'-"3
1.""'-"2
1.5"'-"2
2.""'-"2
*+) , ".""82224265+
, ".982632396
0-2
A
Axis Title
2.5 3 3.5".""'(""
5.""'-"3
1.""'-"2
1.5"'-"2
2.""'-"2
*+) , - "."
, ".985
-!
Axis Title
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3.""" 3.5"" 4.""" 4.".""'(""
5.""'-"4
1.""'-"3
1.5"'-"3
2.""'-"3
2.5"'-"3
*+) , - "."""
, ".974532
"-#
Axis Title
8.5 9 9.5".""'(""
5.""'-"7
1.""'-"6
1.5"'-"6
2.""'-"6
2.5"'-"6
*+) , - 6.49213828
, ".9847482439
$-11
A
Axis Title
11.5 12 12.5 13".""'(""
5.""'-"8
1.""'-"7
1.5"'-"7
2.""'-"7
2.5"'-"7
3.""'-"7
*+) , - 7.981"4817
, ".6"56288558
12-1!
A
Axis Title
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5 2" 25
15 2" 25
2
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15 2" 25
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V + 1"&-pH
".""'(""
1."1'-"2
1.64'-"2
1.54'-"2
1.25'-"2
8.11'-"3
1.96'-"3
8.91'-"6
3.18'-"6
1.92'-"6
1.14'-"6
6.26'-"7
2.66'-"7
1.99'-"9
2.3"'-1"
1.23'-1"
1 1.5 2 2.5
"."""6311227
L
xis Title
4 4.5 5 5.5
"36383955+ ( "."265533186
8"5293
L
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x s e
"" 5.""" 5.5"" 6.""" 6.5"" 7."""
163743+ ( ".""44268434
391
L
xis Title
1" 1".5 11 11.5
311892'-""7+ ( 7.72"4432565"311'-""6
L
is Title
13.5 14 14.5 15 15.5
397492'-""8+ ( 1.14442"2"294126'-""6
mL
is Title
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7/24/2019 Perhitungan Analitik 1 Semester 5
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7/24/2019 Perhitungan Analitik 1 Semester 5
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V $aOH
" 1.835
1 1
2
3
45
6
7
8
9
1"
11
12
13
1415
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