LAPORAN PRAKTIKUM PTK III
BILANGAN SAPONIFIKAS S APONIFIKASII (ANGKA PENYABUNAN)
OLEH:
WAHYU WIDAYATI (1513065)
TEKNIK KIMIA POLIMER POLITEKNIK POLIT EKNIK STMI JAKARTA JAKARTA
BILANGAN SAPONIFIKASI (ANGKA PENYABUNAN)
I.
PRINSIP PERCOBAAN Sa!"#$#%a&# 'a# *+a%&# 'a", +*-a.# %+#%a /#"'a% +/a% .#2a/* .+",a"
a*a" a%a# II.
III.
MAKSUD DA DAN TUJUAN M+",+a4# *!&+& a"a#&a #a",a" +"'a"a" REAKSI PERCOBAAN 3H5(OOR)3 7 3 NaOH
3H5(OH)3 7 3 NaOOR
IV. TEORI PE PERCOBAAN A. Baha Bahan n Bak Baku u 1 L+/a L+/a% % aa aa M#" M#"'a 'a% % M#"'a% .a" +/a% a.aa4 &a *#,#&+* *#,#&+*#.a #.a 2a/*a" 'a# +&+* .a*#
,#&+*! .a" a&a/ +/a% *a"a# a"-a", M#"'a% .a" +/a% (*#,#&+*#.a) 'a", 'a", .#+*! .#+*!+4 +4 .a*# .a*# +*a,a +*a,a## &/+* &/+* /+/"' /+/"'a# a# &#$a &#$a $#&#%! $#&#%!8%# 8%#/#a /#a +*+.a &a &a/a a#"9 %a*+"a +*+.aaa" -/a4 .a" -+"#& +&+* 'a", +*a.a .# .aa/"'a T*#,#&+*#.a T*#,#&+*#.a .+",a" #,a *a.#%a a&a/ +/a% 'a", &a/a .#&+ *#,#&+*#.a &+.+*4a"a9 &+.a",%a" *#,+&#*#.a .+",a" .a aa aa #,a #,a a&a/ a&a/ +/a% +/a% +*+. +*+.aa .#&+ .#&+ *#,# *#,#&+* &+*#.a #.a 2a/* 2a/*a" a" (/#+. (/#+. *#,'2+*#.+) U//"'a /#"'a% .a" +/a% a.aa4 *#,#&+*#.a 2a/*a"
S#$a F#&#%a a Pa.a &4 %a/a*9 +/a% 4+;a" a.a //"'a +*a
M+/"'a# ##% +* #",,# /+",a".", a&a/ +/a% -+"49 &+.a",%a" +/a% 'a", /+/"'a# ##% +* *+".a4 /+",a".", a&a/ +/a% a% -+"4 !"!4: T*#&+a*#" (+&+* ,#&+*! .+",a" #,a /!+% a&a/ &+a*a) /+/"'a# ##% +* =1 >9 &+.a",%a" *#!+#" (+&+* ,#&+*! .+",a" #,a /!+% a&a/ !+a) /+/"'a# ##% +* ?1= > 2 L+/a% 'a", /+",a".", a&a/ +/a% *a"a# +".+% a* .aa/ a#*9 &+.a",%a" +/a% 'a", /+",a".", a&a/ +/a% *a"a# a"-a", #.a% a* .aa/ a#* . S+/a +/a% a* .aa/ %!*!$!*/ .a" +"<+"a A%!4! a"a& /+*a%a" +a* +/a% 'a", a#%
S#$a K#/#a S#$a %#/#a .a*# +/a% aa /#"'a% .aa .##4a .a*# *+a%*+a%&# +*#%: a R+a%&# P+"'a"a" aa Sa!"#$#%a&# (La#"9 &a! @ &a") L+/a% .aa /+",aa/# 4#.*!#&#& H#.*!#&#& 'a", a#", // a.aa4 .+",a" a%a# aa +"<#/ #a&+ H#.*!#&#& .+",a" a%a# .#&+ +"'a"a" %a*+"a &aa4 &a 4a&#"'a a.aa4 ,a*a/ a&a/ +/a% 'a", .#&+ &a"
R+a%&#:
R+a%&# 4#.*!#&#& +*,"a "% /+"+"%a" #a",a" +"'a"a" B#a",a" +"'a"a" a.aa4 #a",a" 'a", /+"'aa%a" -/a4 /##,*a/ KOH 'a", .#4%a" "% /+"'a" &a ,*a/ +/a% aa /#"'a% B+&a* %+2#"'a #a",a" +"'a"a" +*,a"", a.a a"-a", +".+%"'a *a"a# %a*!" a&a/ +/a% aa .aa -,a .#%aa%a" a4;a +&a*"'a #a",a" +"'a"a" +*,a"", a.a /a&&a /!+% +/a% +*&+ H#.*!,+"a&# S+-/a4 +&a* #".&*# +a4 .#%+/a",%a" "% /+*a4 /#"'a% /4a" /+"-a.# +/a% a.a .+",a" 2a*a 4#.*!,+"a&# %aa##% (&a *+a%&# *+.%&#) P*!&+& %!"+*&# /#"'a% /+"-a.# +/a% .+",a" -aa"
4#.*!,+"a&# %a.a",8%a.a",
+#4 .#%+"a .+",a"
*!&+&
+",+*a&a" Saa4 &a 2a*a a.aa4 .+",a" /+",a#*%a" ,a& 4#.*!,+" .+",a" +%a"a" %+ .aa/ a",%# /#"'a% a"a& (00 >) 'a", /+",a".", %aa#& "#%+ 'a", +*.#&+*&#
K+,"aa" L+/a% .a" M#"'a% L+/a% .a" /#"'a% /+*a%a" &+"'a;aa" !*,a"#% 'a", +"#", a,#
%+4#.a" /a%4% 4#.a.a" +/a% .a" /#"'a% #"# a"a*a a#": 8 8
M+/+*#%a" *a&a ,*#4 .a" a*!/a 'a", &+&#$#% S+a,a# &aa4 &a +"'&" .#".#", &+ .a" +"'&" a4a"8
8
a4a" #!/!+% S/+* +"+*,# 'a", +$+%#$
.#a".#",%a" .+",a" *!+#" .a"
%a*!4#.*a9%a*+"a +/a% .a" /#"'a% &+/*"a a%a" /+",4a&#%a"
-#%a .#!%&#.a&# &+2a*a
C %a!*##+*
,*a/ +/a% aa
/#"'a% S+.a",%a" *!+#" .a" %a*!4#.*a 4a"'a /+",4a&#%a" %a!*# #a 1 ,*a/ *!+#" aa %a*!4#.*a Ka*+"a ##% .#.#4 /#"'a% 'a", #",,#9 /a%a /#"'a% #a&a"'a .#,"a%a" "% /+",,!*+", /a%a"a"
.# /a"a a4a" 'a", .#,!*+", a%a"
%+4#a",a" &+a,#a" +&a* a#* 'a", .#%a".","'a aa /+"-a.# 8
%+*#", M+/+*#%a" %!"&#&+"&# +/%94a& .a" +*a#&8a#& .aa/
8
+/aa" *!# M+/+*#%a" +%&* 'a", +/ .a" "a% .aa/ +/aa" +&
8 8 8
%*#/ M#"'a% "aa# a.aa4 a4a" a/a +/aa" /a*,a*#"+ L+/a% 4+;a"# a.aa4 a4a" a/a +/aa" && .a" /+"+,a M+"2+,a4 #/"'a +"'/aa" +/4 .a*a4 'a# a.a a&a/ +/a% +&+"&#a
Na*#/ H#.*!%&#.a Na*#/ 4#.*!%&#.a (NaOH)9 -,a .#%+"a &+a,a# &!.a %a&#%9 &!.a a#9 aa &!.#/ 4#.*!%&#.a9 a.aa4 &+-+"#& a&a !,a/ %a&#% Na*#/ H#.*!%&#.a +*+"% .a*# !%&#.a a&a Na*#/ O%&#.a .#a*%a" .aa/ a#* Na*#/ 4#.*!%&#.a /+/+"% a*a" a%a#" 'a", %a %+#%a .#a*%a" %+ .aa/ a#* Ia .#,"a%a" .# +*a,a# /a2a/ #.a", #".&*#9 %+a"'a%a" .#,"a%a" &+a,a# a&a .aa/ *!&+& *!.%&# * %a' .a" %+*a&9 +%	 a#* /#"/9 &a" .a" .++*-+" Na*#/ 4#.*!%&#.a a.aa4 a&a 'a", a#", // .#,"a%a" .aa/ a!*a!*#/ %#/#a Na*#/ 4#.*!%&#.a /*"# +*+"% #4 a.a .a" +*&+.#a .aa/ +"% ++9 &+*#4a"9 #*a" aa" a*a" -+"4 50 'a", #a&a .#&+ a*a" S!*+"&+" Ia +*&#$a +/a 2a#* .a" &+2a*a &!"a" /+"'+*a %a*!" .#!%&#.a .a*# .a*a +a& Ia &a",a a* .aa/ a#* .a" a%a" /++a&%a" a"a& %+#%a .#a*%a"9 %a*+"a a.a *!&+& +a*a""'a .aa/ a#* +*+a%&# &+2a*a +%&!+*/#& Ia -,a a* .aa/ +a"! .a" /+a"!9 ;aa" %+a*a" NaOH .aa/ %+.a 2a#*a" #"# +#4 %+2# .a*#a.a %+a*a" KOH Ia #.a% a* .aa/ .#+# ++* .a" +a* "!"8!a* a#""'a
La*a" "a*#/ 4#.*!%&#.a a%a" /+"#",,a%a" "!.a %"#", a.a %a#" .a" %+*a&
Sifat
R/& /!+%
NaOH
Ma&&a /!a*
3C9CC=1 ,/!
P+"a/#a"
D+"&#a&
91 ,2/9 a.a
T##% +*
31 > (5C1 K)
T##% .#.#4
13C0 > (1663 K)
K+a*a" .aa/ a#*
111 ,100 / (0 >)
K+a&aa" ( K )
893
B. Bahan Pendukung 1 H A&a/ %!*#.a a.aa4 a*a" a%a#% .a*# ,a& 4#.*!,+" %!*#.a (H)
H /+*a%a" a&a/ %a .a" %!/!"+" a/a .aa/ a&a/ a/", S+"'a;a #"# -,a .#,"a%a" &+2a*a a& .aa/ #".&*# A&a/ %!*#.a 4a*& .#a",a"# .+",a" 4a#84a# %a*+"a /+*a%a" 2a#*a" 'a", &a",a %!*!&#$ S#$a F#&#% S#$a8&#$a $#&#%a .a*# a&a/ %!*#.a9 &++*# ##% .#.#4 .a" ##% +*9 .+"&#a&9 .a" H9 +*,a"", a.a %!"&+"*a&# aa /!a*#a& H .aa/ a*a" +*a#* M!a*#a&"'a +*%#&a* .a*# a*a" .aa/ a#* a.a %!"&+"*a&# &a",a *+".a4 'a", /+".+%a# 0 H 4#",,a "#a# a,# a&a/ %!*#.a +*a&a a.a %!"&+"*a&# /++#4# 0 H Konsentrasi
Den-
Mola-
sitas
ritas
pH
Visko
Panas
Te
-sitas
spesifk
k
TD
TL
Ua p
kg HCl/k
kg HCl/
Bau
g
m3
mé
kg/L
mol/ m3
1,04
&'(
104,80
6,6
8
219,60
13
8
2,87
344,70
19
9
6,02
370,88
20
9
9,45
397,46
21
9
10,17
424,44
22
9
10,90
451,82
23
9
1,16
3,47
8
1,37
2,99
0
0
0
11,64
1
1,70
2,60
1
%C
1,9
10
−1
5
3
8
1,4
10
−5
0
8
9
3
−5 90
3,7 1,80
2,55
3
1,90
2,50
4
84
2,46
5
71
2,43
3
6
−3 61
28, 2,10
3
−3
14, 1,99
2
−4
7,2
−1, 12,39
%C
2,1
−1,
1,18
3,(
5
−1,
1,17
3+(
a
−1,
1,16
3*(
#kg!K$
−1,
1,15
3)(
kP
−0,
1,14
3'(
k"/
−0,
1,09
)'(
mPa!s
0
−2 48
e.erensi suu an tekanan untuk ta0le i atas aala )' %C an & atmosfr
6
#&'&13)2 kPa$ 4ilai tekanan uap iam0il ari
International Critical Tables 1
an menga5u paa
total tekanan uap ari larutan terse0ut
S#$a K#/#a H#.*!,+" %!*#.a (H) a.aa4 &a a&a/ /!"!*!#%9 'a", +*a*#
a&a/ #"# .aa +*.#&!&#a&# ('a#9 /+",#!") 4a"'a &+%a# "% /+",4a&#%a" &a #!" H7 (*!!" ",,a) Daa/ a#* a&a/ 4#.*!%!*#.a9 H7 +*,a", .+",a" &a /!+% a#* /+/+"% #!" 4#.*!"#/9 H3O7: H 7 HO H3O7 7 I!" a#" 'a", +*+"% #aa4 9 #!" %!*#.a O+4 %a*+"a #9 a&a/ %!*#.a .#,"a%a" "% /+/a ,a*a/8,a*a/ 'a", .#&+ %!*#.a9 &++*# "a*#/ %!*#.a (Na) A&a/ %!*#.a /+*a%a" &a a&a/ %a9 %a*+"a #a &+2a*a +&+"&#a +*.#&!&#a&# .+",a" &+/*"a .# .aa/ a#* A&a/ /!"!*!#% /+/##%# &a %!"&a"a .#&!&#a&# a&a/9 K a9 'a", /+""-%%a" #",%a .#&!&#a&# .aa/ a#* U"% a&a/ %a &++*# H9 K a8"'a +&a* Ua'a +!*##& "% /+"+a%a" K a a,# H +a4 .#a1 B#a ,a*a/ %!*#.a &++*# Na .#a/a4%a" a.a H +"2+* /+*+%a
&+2a*a
*a%#&
#.a%
/+/##%# +$+% +*4a.a
H9
'a",
/+""-%%a" a4;a a.aa4 a&a %!"-,a&# &a",a +/a4 .a" H &++"4"'a +*.#&!&#a&# .aa/ a*a" +*a#* Ba,#
+*a4a'a "% .#a",a"#9 +*+a& .a*# %+a&a/a""'a9 a&a/ #"# +*.#*# .a*# #!" "!" *+a%#$ .a" "!"8!%&#% La*a" a&a/ %!*#.a .+",a" %+%aa"
&+.a",
a.aa4
&a",a
&a#
a.a
+"'#/a"a"9
/+/+*a4a"%a" %!"&+"*a&#"'a /+a/a# ;a% A*# #"#9 .#a/a4 $a%a a4;a H +*&+.#a &+a,a# *+a,+" /*"#9 /+/a a&a/ %!*#.a *+a,+" +",a&a/a" 'a", a#% A&a/ 4#.*!%!*#.a a.aa4 a&a/ 'a", +#4 .#&%a# .aa/ #*a&# "% +"+"a" -/a4 a&a T#"*a" a&a/ %a /+/+*#%a" 4a&# +#4 +a %a*+"a ##% a%4#* 'a", +#4 -+a& A<+!*! aa a&a/ 4#.*!%!*#.a +*##% .#.#4 %!"&a" (&+2a*a %a&a* 09) .aa .#,"a%a" &+a,a# &a".a* *#/+* .aa/ a"a#&#& %a"#a#$9 /+&%#" %!"&+"*a&#"'a 'a", +a +*,a"", a.a +%a"a" a/!&$#* %+#%a a&a/ #"# .#a A&a/ 4#.*!%!*#.a &+*#", %a# .#,"a%a" .aa/ a"a#&#& %#/#a "% /+"'#a%a" (/+",4a"2*%a") &a/+ "% a"a#&#& A&a/ %!*#.a8 +,# #a &+*#", .#&+?.aa /+a*%a" a"'a% !,a/ .a" /+"-a.# !,a/ %!*#.a .a" ,a& 4#.*!,+"9 .a" a&a/ #"# +*+a%&# .+",a" &+"'a;a a&a &++*# %a&#/ %a*!"a aa +/a,a(II) !%&#.a9 'a", /+/+"% %!*#.a +*a* 'a", .aa .#a"a#&#&
Ea"! Ea"!9 .#&+ -,a +# a%!4!9 a%!4! /*"#9 a%!4! a&!9 aa a%!4! &a-a9 a.aa4 &+-+"#& 2a#*a" 'a", /.a4 /+",a9 /.a4 +*a%a*9 a% +*;a*"a9 .a" /+*a%a" a%!4! 'a", a#", &+*#", .#,"a%a" .aa/ %+4#.a" &+4a*#84a*# Ea"! +*/a&% %+ .aa/ a%!4! *a"a# ",,a9 .+",a" */& %#/#a H5OH .a" */& +/#*#& H6O Ia /+*a%a" #&!/+* %!"&#&#!"a .a*# .#/+# ++* Ea"! &+*#", .#&#",%a /+"-a.# EOH9 .+",a" E /+*a%a" &#",%aa" .a*# ,,& +# (H5)
F+*/+"a&# ,a /+"-a.# +a"! /+*a%a" &aa4 &a *+a%&# !*,a"#% a#", a;a 'a", +*"a4 .#a%%a" /a"&#a E$+% .a*# %!"&/&# +a"! 'a", /+/a%%a" -,a +a4 .#%+a4# &+-a% . Pa.a
Sifat
R/& /!+%
H5OH
Ma&&a /!a*
690= ,/!
P+"a/#a"
2a#*a" a% +*;a*"a
D+"&#a&
09=C ,2/3
T##% +*
1193
T##% .#.#4
=9
K+a*a" .aa/ a#*
+*2a/* +"4
K+a&a/a" ( K a)
159C
#&%!&#a&
1900 2P (0 >)
M!/+" .#!
196C D (,a&)
3
A#* A#* a.aa4 &+"'a;a 'a", +"#", a,# &+/a +"% %+4#.a" 'a", .#%+a4# &a/a# &aa #"# .# B/#9 +a# #.a% .# a"+ a#" A#* /+"# 4a/#* =1 +*/%aa" B/# T+*.aa 19 *##" %#!/++* %#% (330 -a /#) +*&+.#a .# B/# A#* &+a,#a" +&a* +*.aa .# a (a#* a&#") .a" a.a a#&a"8a#&a" +& (.# % .a" "2a%8"2a% ,"",)9 a%a" +a# -,a .aa 4a.#* &+a,a# a;a"9 4-a"9 &",a#9 /%a a#* a;a*9 .a"a9 a a#*9 .=a" aa" +& A#* .aa/ !'+%8!'+% +*&+ +*,+*a% /+",#%# &a &#%& a#*9 'a#: /+a# +",aa"9 4-a"9 .a" a#*a" a#* .# aa& +*/%aa" a"a4 (*"!$$9 /+## /aa a#*9 &",a#9 /a*a) /+"- a
S#$a8&#$a F#&#%a .a" K#/#a A#* a.aa4 &&a"&# %#/#a .+",a" */& %#/#a HO9 &a /!+% a#*
+*&&" aa& .a a!/ 4#.*!,+" 'a", +*#%a &+2a*a %!a+" a.a &a a!/ !%&#,+" A#* +*&#$a #.a% +*;a*"a9 #.a% +*a&a .a" #.a% +*a a.a %!".#&# &a".a*9 'a# a.a +%a"a" 100 %Pa (1 a*) a". +/+*a* =3915 K (0 >) a %#/#a #"# /+*a%a" &a +a* 'a", +"#",9 'a", /+/##%# %+/a/a" "% /+a*%a" a"'a%
Sifat
Na/a &#&+/a#& Na/a a+*"a#$
a#* aQa9 .#4#.*!,+" /!"!%&#.a9 H#.*!,+" 4#.*!%&#.a
R/& /!+%
HO
Ma&&a /!a*
10153 ,/!
D+"&#a& .a" $a&+
0CC ,2/ (2a*#*a" a.a 0 >) 0C ,2/ (a.aa")
T##% +*
0 > (=315 K ) (3 >F)
T##% .#.#4
100 > (3=315 K) (1 >F)
Ka!* -+"#&
1%,K) (2a#*a" a.a 0 >)
Metode Po!e! 1 P*!&+& P+".#.#4a" P*!&+& +".#.#4a" +"4 a.a .a&a*"'a &a/a .+",a" *!&+& a24 'a# /#"'a%+/a% 'a", +a4 .#2a/* .+",a" NaOH .#a"a&%a" .# .aa/ +*+"/+'+* 4#",,a /+".#.#4 S+a"-"'a %+.aa/ 2a/*a" +*&+ .#a/a4%a" +a"! PA &+a"'a% 5 / a .#a"a&%a" %+/a# %#*a8%#*a &++a4 30 /+"# +/a"a&a" S+a/a *!&+& +/a"a&a" %+/a# &4 2a/*a" 4a*& .#%!"*! a"a*a 608=0 > P*!&+& D#",#" Pa.a *!&+& .#",#"9 2a/*a" 'a", +a4 .#a"a&%a" a%a" .#.#",#"%a" "% *!&+& #*a&# .+",a" H 095 N S+a/a *!&+& .#",#"9 2a/*a" .##a*%a" aa .#.#a/%a" a.a %!".#&# &4 %a/a* A.a" &'a*a8&'a*a +*-a.#"'a *!&+& .#",#" a.aa4 &+a,a# +*#% : M#"'a%+/a% 'a", .#,"a%a" 4a*& /*"# K!"&+"*a&# NaOH 4a*& +*%* .+",a" +## T+/+*a* 4a*& +*%!"*! .+",a" a#% 3 P*!&+& P+/aa" Ba"%!
P+/aa" a"%! .+",a" /+",,"a%a" NaOH a.a 'a", .#+"2+*%a" .+",a" a#* 5 / La*a" NaOH #"# .#a"a&%a" &++*# 2a/*a" /#"'a% .a" NaOH La .#.#",#"%a" -,a "% .##*a&# .+",a" H 095 N P*!&+& T#*a&# Pa.a *!&+& #"# #*a&# .#a%%a" &+2a*a .! a.a /a&#",8/a&#", &a/+ /a" a"%! T-a""'a "% /+",+a4# !/+ *aa8*aa .a*# H 'a", .#+*%a" "% /+"#*a&# a#% &a/+ /a" a"%!
D. Diaga" A#i
M#"'a% .#a*%a" .+",a" NaOH 'a", +a4 .#+"2+*%a" .+",a" a#*
Pa"a&%a" &a/+ 4#",,a /+".#.#4
P+"a/a4a" +a"! PA .a" +/a"a&a" &+a/a 30 /+"#
P+".#",#"a" .a" P+/aa" a"%!
T#*a&# .+",a" H &+2a*a .! a.a &a/+ .a" a"%!
P+*4#",a" a",%a +"'a"a"
V. A$AT DAN BA%AN A. A#at& 1 H+a+* P+".#",#" +,a% 3 La aa& a B+a%+* ,a&& 5 P#+ ++& 6 E*+"/+'+* = B*+ S+a", C !*!", %+2# 10 Sa+ 11 K+*a& &a*#", 1 K+/ .a" &a#$ B. Bahan& 1 Ma*,a*#"/#"'a% KOH 3 NaOH Ea"! +%"#& PA 5 H 6 PP
VI.
PROSEDUR
1 T#/a", /#"'a% aa /a*,a*#"+ &+a"'a% ,*a/ U"% &a/+ /#"'a% ,"a%a" +a* NaOH 095 N 5 / 'a", .#a*%a" .+",a" a#* /a&%a" %+.aa/ a aa& a 'a", +a4 +*4", .+",a" +".#",#" +,a% 3 Pa"a&%a" &a/+ 4#",,a /+".#.#49 &++a4 /+".#.#4 a/a4%a" +a"! +%"#& &+a"'a% 5 /9 a"a&%a" 2a/*a" .+",a" 4+a+* &+a/a 30 /+"# D#",#"%a" &a/+ %+/.#a" #*a&# .+",a" H 095 N 5 Ba a"%! 'a", #*a&# .+",a" H 095 N 6 U"% &a/+ /a*,a*#"+ ,"a%a" +a* KOH 095 N 5 / 'a", .#a*%a" .+",a" +a"! +%"#&9 /a&%a" %+.aa/ a aa& a 'a", +a4 +*4", .+",a" +".#",#" +,a% = Pa"a&%a" &a/+ 4#",,a /+".#.#4 &+a/a 30 /+"# Ua",# *!&+& "! .a" 5 C H#", a",%a +"'a"a" .+",a" */& VII.
RAN'KAIAN A$AT
VIII.
DATA PEN'AMATAN •
P+/aa" NaOH 095 N .aa/ 5 / (0905 #+*) a#* gr = ρ × N × Be =0,025 × 0,5 × 40=0,5 gram
•
P+/aa" H 095 N .aa/ 5 / (0905 #+*) a#* gr = ρ × N × Be =0,025 × 0,5 × 36,5 =0,45 gram ml =
•
•
•
•
gr 0,45 gr = =0,38 ml Bj gr 1,19 ml
Daa +"#/a",a" B+*a #*#",a" %+2# B+*a #*#",a" %+2# 7 NaOH B+*a #*#",a" %+2# 7 H B+*a +a%+* ,a&& B+*a +a%+* ,a&& 7 /#"'a%
@ 9313 ,* @ 913 ,* @ 9=63 ,* @ 59=6= ,* @ =9=6= ,*
T#*a&# &a/+ T#*a&# 1 @ 193 / T#*a&# @ 096 /
Raa8*aa: 09C5 /
T#*a&# a"%! T#*a&# 1 @ 95 / T#*a&# @ 595 /
Raa8*aa: = /
P+*4#",a" a",%a +"'a"a" ( A B ) ×C Angka penyabunan G −
=
=
(7
−
0,95 ) × 20 2
=
60,5
I(.
PEMBA%ASAN P*#"&# %+*-a a",%a +"'a"a" a.aa4 &+-/a4 +*+" &a/+ /#"'a%
+/a% .#*+a%&#%a" .+",a" a&a a%a# +*+#4 'a", +a4 .#%+a4# %!"&+"*a&#"'a /+",4a&#%a" ,*#&+*! .a" &a" S#&a .a*# NaOH .##*a&# .+",a" /+",,"a%a" H 'a", +a4 .#%+a4# %!"&+"*a&#"'a -,a &+4#",,a .aa .#%+a4# +*aa a"'a% NaOH 'a", +*+a%&# 'a", &+a*a .+",a" a&a/ +/a% .a" a&a/ +/a% +a& .aa/ &a/+ •
Daa/ *a%#%/ a",%a +"'a"a" #"# /+",,"a%a" &a/+ 'a#
•
/#"'a% .a" a*a" a%a# 'a# NaOH K+#%a /#"'a% .a" a*a" NaOH .#2a/* a%a" #/ a*a" +*;a*"a
•
#4 K+#%a .#a/a4%a" +a"! PA %+.aa/ 2a/*a" 'a", +a4 .#.#.#4%a"9 2a/*a" +*&+ /+",aa/# +*a4a" ;a*"a %+/a# /+"-a.# ;a*"a
•
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4#-a /.a &+.#%# %"#", Saa .##*a&# a%a" +*-a.# +*a4a" ;a*"a /+"-a.# /+*a4 /.a 2a
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(I.
TU'AS 1 J+a&%a" +*+.aa" &a" a.a9 2a#* .a" .++*-+" Ba,a#/a"a +",a*4 #a",a" +"'a"a" a.a &#$a &a"V 3 Ba,a#/a"a 2*#+*#a &a" 'a", a#%V Ba,a#/a"a /+",!a4 /#"'a% a,a* #.a% +",#%V 5 S+%a" +*+.aa" &#$a &a" .a*# +/a% "aa# .a" 4+;a"
Ja;aa" 1 P+*+.aa" &a" a.a9 2a#* .a" .++*-+" •
Baha P!"#$a% Sa#$ &!'a'$ #$a% a* #aha+#aha a'a" -!%!*.!,
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(II.
DA)TAR PUSTAKA 4:24+/#&0=!,&!2!/0103aa8#8&a"8.a"8.++*-+"4/ 4:a&*#==!,&!2!/011#a",a"8&a!"#$#%aa",%a8
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