perhitungan analitik 1 semester 5

7/24/2019 Perhitungan Analitik 1 Semester 5

1/21

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


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)


3/21

" 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"


4/21


5/21


6/21

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"


7/21

pHr V1 pHr/V V2 (pHr/V

14 16

14 16

14 16


8/21

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"


9/21

" 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


10/21

" 5 1"

-1.5""

-1."""

-".5""

.

V2


11/21

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


12/21

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


13/21


14/21

5 2" 25

15 2" 25

2


15/21

15 2" 25


16/21

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


17/21

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


18/21


19/21


20/21


21/21

V $aOH

" 1.835

1 1

2

3

45

6

7

8

9

1"

11

12

13

1415

perhitungan analitik 1 semester 5

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