Makalah Garam Kompleks Dan Garam Rangkap

(1)

LAPORAN PRAKTIKUM

STRUKTUR SENYAWA ANORGANIK

GARAM KOMPLEKS DAN GARAM RANGKAP

OLEH OLEH KELOMPOK 10 KELOMPOK 10 YONDRIADI YONDRIADI OKI MARLINA PETRI OKI MARLINA PETRI YUNI PURNAMA SARI YUNI PURNAMA SARI DEBBY FIRMANTIA PUTRI DEBBY FIRMANTIA PUTRI

DOSEN

DOSEN : : 1.1.

DRA. BAYHARTI, M.Sc

2.

DRA ANDROMEDA, M.Si

3. 3. EKA

EKA YUSMAITA,

YUSMAITA, M.Pd

M.Pd

ASISTEN

ASISTEN : : 1. 1. JONI JONI DARMANTODARMANTO 2.

2. UTAUTARI RI NOVITRIANOVITRIA

JURUSAN KIMIA

FAKULTAS MATEMATIKA DAN ILMU PENGETAHUAN ALAM

UNIVERSITAS NEGERI PADANG

(2)

2016

KATA PENGANTAR

Dengan menyebu nama A!!a" S#T yang Ma"a Penga$i" !agi Ma"a

Panyayang, Kami menguca%&an %u'i $yu&u( &e"adi(a)Nya yang e!a"

me!im%a"&an (a"ma, "idaya", dan inaya")Nya &e%ada &ami, $e"ingga

&ami da%a menye!e$ai&an ma&a!a" yang be('udu! * +a(am Km%!e&$

dan

+a(am

Rang&a%-

dengan

$ebai&

mung&in.

Ma&a!a" ini e!a" &ami $u$un dengan ma&$ima! dan menda%a&an

banuan da(i be(bagai %i"a& $e"ingga da%a mem%e(!anca( %embuaan

ma&a!a" ini. Unu& iu &ami menyam%ai&an banya& e(ima &a$i" &e%ada

$emua %i"a& yang e!a" be(&n(ibu$i da!am %embuaan ma&a!a" ini.

Te(!e%a$ da(i $emua iu, Kami menyada(i $e%enu"nya ba"a ma$i"

ada &e&u(angan bai& da(i $egi $u$unan &a!ima mau%un aa ba"a$anya.

O!e" &a(ena iu dengan angan e(bu&a &ami mene(ima $ega!a $a(an

dan &(ii& da(i %embaca aga( &ami da%a mem%e(bai&i ma&a!a" ini. A&"i(

&aa &ami be("a(a% $emga ma&a!a" ini membe(i&an man/aa mau%un

in$%i(a$i e("ada% %embaca.

Padang, De$embe( 012

Penyu$un

(3)

BAB 1

PENDAHULUAN

A. Latar Belakang

Gara !a"a# #$r!%r% a#a& 'ara ()"*$(& !a+ 'ara ra+'(a". Gara ()"*$(& !a"a# !%ar#%(a+ &$,a'a% 'ara -a+' $+'a+!+' %)+/%)+ ()"*$(& %&a*+-a $(&a%+ (),a*# III3 (*)r%!a 4) NH5364*5 !a+ #$#ra a%+ #$,a'a II3 &*a# )+)%!ra# 4NH537SO7. H2O. Gara ()"*$(& $%*%(% "$r,$!aaa+ !$+'a+ 'ara ra+'(a". Gara ra+'(a" !a"a# !%ar#%(a+ &$,a'a% 'ara -a+' !%,$+#( !ar% !a 'ara -a+' $+'(r%&#a* &$8ara ,$r&aa/&aa 8)+#) 'ara ra+'(a" %&a*+-a a)+% #$,a'a II3 &*a# $(&a%!ra# 4SO732 NH732. 6H2O.

Gara ra+'(a" $r"a(a+ &a# 'ara -a+' #$r,$+#( !ar% (r%&#a*%&a&% *ar#a+ 8a"ra+ &$9*a $(%a*$+ !a a#a *$,% 'ara #$r#$+# %&a*+-a F$SO7NH73SO7.6H2O !a+ K2SO7A*2SO735.27H2O. Gara ra+'(a" #$r,$+#( a"a,%*a !a 'ara $+'(r%&#a* ,$r&aa/&aa !$+'a+ "$r,a+!%+'a+ )*$(* #$r#$+#. Gara/'ara %# $%*%(% &#r(#r #$r&$+!%r% !a+ #%!a( ar& &aa !$+'a+ &#r(#r 'ara ()")+$++-a.

Gara ()"*$(& $r"a(a+ &a# 'ara -a+' #$r,$+#( !ar% &a# a+%)+ a#a (a#%)+ ()"*$(& %&a*+-a ;4)NH536<5=_{!a+ ;F$4N36<}5/_{ a#a !%($+a* &$,a'a% &$+-a>a}

())r!%+a&% %&a*+-a $(&a%+(),a*#III3 (*)r%!a a#a ;4)NH536<4*5 !a+ (a*% $(&a&%a+)$ra#III3 a#a K5;F$4N36<.

Gara ra+'(a" !a*a *ar#a+ a(a+ #$r%)+%&a&% $+9a!% %)+/%)+ ()")+$++-a %&a* F$SO7NH73SO7.6H2O a(a+ #$r%)+ $+9a!% F$2=_{ SO7}2/_{!a+ NH7}=_{. Na+ ,%*a}

&a# 'ara ()"*$(& !%*ar#(a+ a(a a(a+ #$r%)+ $+9a!% %)+ "$+-&+ !a+ %)+ ()"*$(&+-a %&a* K5;F$4N36< a(a+ #$r%)+ $+9a!% K =_{!a+ ;F$4N36<}5/_.

T$,a'a $r"a(a+ *)'a ,$r>ar+a $ra !a+ !a !%,$+'()((a+. A#) #$,a'a $,$+#( &$+-a>a &$,a'a% (a#%)+ !$+'a+ ,%*a+'a+ )(&%!a&% =1 !a+ =2. Sa*a &a# &$+-a>aa+ 4 !$+'a+ ,%*a+'a+ )(&%!a&% 2 a!a*a ()"*$(& %)+ ($*a#

(4)

#$#ra%+#$,a'aII3 &*a# %!ra# -a+' !a"a# !%,a# !$+'a+ $r$a(&%(a+ 4SO7 !$+'a+ a)+%a ,$r*$,%. A#) +%#r)'$+ !ar% a%+a #$r%(a# (a# "a!a 4 %+''a "a!a #$(a+a+ 1 a# !a+ "a!a & ?0)_{4 #%!a( #$r9a!% !%&)&%a&% NH5.}

B$,$ra"a 'ara !a"a# $+'(r%&#a* !ar% *ar#a++-a !$+'a+ $+'%(a# &$9*a )*$(* a%r &$,a'a% %!ra#. S$,a'a% 8)+#) a!a*a #$,a'a &*a# "$+#a%!ra# ,$&% &*a# $"#a%!ra# !a+ a*%+% &*a# +)+%!ra#. B$+#( &#r(#r !a*a (r%&#a* #$r!%r% a#a& (a#%)+ #$r%!ra# !a+ a+%)+ #$r%!ra# &$"$r#% 4H2O372=_{!a+ SO7H2O3}2/_{!a*a #$,a'a}

&*a# "$+#a%!ra#.

B$r!a&ar(a+ "$+9$*a&a+ #$r&$,# a(a "$r* !%*a((a+ "ra(#%( "$r8),aa+ "$,a#a+ 'ara ()"*$(& #$#ra a%+ #$,a'a II3 &*a# )+)%!ra# 4NH537SO7. H2O !a+ 'ara ra+'(a" a)+% #$,a'a II3 &*a# $(&a%!ra# 4SO732 NH732. 6H2O a'ar !%($#a% "r)&$& (r%&#a*%&a&a% !a+ r$(*%&#a*%&a&% -a+' $+-$r#a% "$,a#a+ (r%&#a* ($!a 'ara #$r&$,#.

B. Rumusan Masalah

R&a+ a&a*a "ra(#%( "$r8),aa+ %+% a!a*a ,a'a%a+a "r)&$& "$,a#a+ 'ara ()"*$(& #$#ra a%+ #$,a'a II3 &*a# )+)%!ra# 4NH537SO7. @H2O !a+ 'ara ra+'(a" a)+% #$,a'a II3 &*a# $(&a%!ra# 4SO732 NH732. @H2O 

C. Tujuan

T9a+ "ra(#%( "$r8),aa+ %+% a!a*a $"$*a9ar% r$a(&% "$,a#a+ 'ara ra+'(a" a)+% #$,a'a II3 &*a# $(&a%!ra# 4SO732 NH732. @H2O !a+ 'ara ()"*$(& #$#ra a%+ #$,a'a II3 &*a# )+)%!ra# 4NH537SO7. @H2O.

D. Manaat

Ma+aa# "ra(#%( "$r8),aa+ %+% a!a*a a'ar $+'$#a% 'a,ara+ $+'$+a% "r)&$& "$,$+#(a+ 'ara ()"*$(& #$#ra a%+ #$,a'a II3 &*a# )+)%!ra#

4NH537SO7. @H2O !a+ 'ara ra+'(a" a)+% #$,a'a II3 &*a# $(&a%!ra# 4SO732 NH732. @H2O.

(5)

BAB !!

T!N"AUAN PU#TAKA

P$,$+#(a+ &$+-a>a ()"*$(& ())r!%+a&% %a*a "$r"%+!aa+ &a# a#a *$,% "a&a+'a+ $*$(#r)+ !ar% *%'a+ ($ %)+ *)'a a(a *%'a+ ,$r#%+!a( &$,a'a% "$,$r% $*$(#r)+

!a+ %)+ *)'a &$,a'a% "$+$r%a $*$(#r)+. A(%,a# !ar% "$r"%+!aa+ ($ra"a#a+ $*$(#r)+ %+% "a&a+'a+ $*$(#r)+ 9a!% %*%( ,$r&aa a+#ara %)+ *)'a !a+ *%'a+ &$%+''a #$r,$+#( %(a#a+ "$,$r%/"$+$r%a $*$(#r)+. K$a!aa+/($a!aa+ a+#ara $*$(#r)+ %+% +'(%+ &a9a #$r9a!%

+a+ 9%(a "a&a+'a+ $*$(#r)+ %#% #$r%(a# (a# a(a %(a#a+ ()a*$+ &$9a#% !a"a# #$r,$+#(. Pr)&$& "$,$+#(a+ %(a#a+ a+#ara "$,$r%/"$+$r%a $*$(#r)+ #$r&$,# !a"a# !%#*%&(a+ !$+'a+ "$r&aaa+ :

M = :L  M:L

D%a+a M C %)+ *)'a !a+ L C *%'a+ -a+' $%*%(% "a&a+'a+ $*$(#r)+ R%a% 1??3. S$+-a>a ())r!%+a&% !a"a# !%,$!a(a+ $+9a!% !a 9$+%& -a%# ()"*$(& +$#ra* !a+ %)+ -a+' !a*a a* %+% "a*%+' &$!%(%# &a# !ar% %)+ #$r&$,# ar& $r"a(a+ %)+ ()"*$(&. Sa*a &a# (ara(#$r%&#%( (ara(#$r%&#%( &$+-a>a ()"*$(& %a*a ,a>a %)+ ()"*$(& a#a ()"*$(& +$#ra* -a+' $+-&+ &$+-a>a #$r&$,# a&% &$r%+'(a*% $"$r#aa+(a+ %!$+#%#a&+-a !a*a *ar#a+. M$&(%"+ !a"a# #$r9a!% !%&)&%a&% "ar&%a*. M%&a*+-a &$+-a>a -a+' &$*a !%#*%& 2 KBr.H'Br 2 &$,$#*+-a $+'a+!+' %)+ #$#ra$!ra* ;H'Br 7<2/ !a*a

"a!a#a+ Kr%&#a* !a+ %)+ %+% #$#a" $"$r#aa+(a+ ($#a++-a 9%(a !%a&((a+ !a*a *ar#a+ !a+ ar'a !%&)&%a&% $+9a!% ($8%* Da- !a+ S$*,%+ 1??53.

Gara a!a*a &a# a# -a+' !%a&%*(a+ 9%(a *)'a a#a ("*a+ a#) -a+' ,$r#%+!a( &$,a'a% *)'a3 $+''a+#%(a+ &a# a#a *$,% a#) %!r)'$+ "a!a a&a. 4)+#): Na#r% &*a# Na2SO7 a!a*a 'ara -a+' ,$ra&a* !ar% a&a &*a# H2SO7 !$+'a+

$+''a+#%(a+ 2 a#) %!r)'$+ !$+'a+ 2 a#) Na. Ya+' !%&$,# 'ara !a*a %&#%a &$ar%/ ar% a!a*a +a#r% (*)r%!a Na4*.

(6)

Gara ra+'(a" Gara -a+' $+'a+!+' *$,% !ar% &a# %)+ *)'a a#a %)+ &%&a a&a !a*a r&+-a. 4)+#): KM'4*5 Ka*% Ma'+$&% K*)r%!a3 $+'a+!+' !a

%)+ *)'a -a%# K = !a+ M'2=. KM'SO74* Ka*% Ma'+$&% Sa#(*)r%!a3

$+'a+!+' !a %)+ *)'a -a%# K = !a+ M'2= !a+ !a %)+ &%&a a&a -a%# SO72/ !a+ 4*/.

Gara ()"*$(&. Gara -a+' $+'a+!+' %)+/%)+ ()"*$(&. 4)+#): K 5F$4N36 #r%

(a*&% $(&a &%a+) $ra# a#a (a*% $r% &%a+%!a. Gara %+% 9%(a !%*ar#(a+ !a*a a%r a(a+ #$rra% $+9a!% %)+ K = !a+ %)+ ()"$(& F$4N36/ Ha!%a#.20073.

Gara ()"*$(& $r"a(a+ 'ara/'ara -a+' $%*%(% %(a#a+ ())r!%+a&% 'ara -a+' !a"a# $,$+#( %)+/%)+ !a+ &a*a &a#+-a %)+ ()"*$(&3. 4)+#) !ar% 'ara ()"*$(& %a*a 4SO732NH732. Gara ra+'(a" a(a+ #$r%)+%&a&% $+9a!% %)+/%)+

()")+$++-a ($#%(a !%*ar#(a+. 4)+#) *a%+ !ar% 'ara ()"*$(& -a(+% ;4)NH536<4*5

a#a 4)4*5.6NH5 -a+' ,$r+'&% &$,a'a% *%'a+ %a*a NH5 &$!a+'(a+ 4* %a*a !%*ar !a$ra

())r!%+a&% &(ar!9) 1?3.

Gara ra+'(a" a!a*a 'ara -a+' #$r!%r% !ar% !a (a#%)+ -a+' ,$r,$!a !$+'a+ &$,a a+%)+ -a+' &aa !a*a &a# (%&% (r%&#a*+-a. Gara ra+'(a" ,%a&a+-a *$,% !a $,$+#( (r%&#a* ,$&ar !%,a+!%+'(a+ !$+'a+ 'ara #+''a* "$+-&++-a. Ka#%)+ 'ara ra+'(a" +-a #$r!%r% (a#%)+ *)'a #ra+&%&% -a+' ,$r'a,+' (a#%)+ *)'a a*(a*% a#a %)+ a)+% 4%r%/8%r% (a& *%'a+. D% a+#ara 8%r%/8%r% (a& *%'a+ -a+'  !%($#a% &$,a'a% $"$+'ar% ($&#a,%*a+ ()"*$(& !a*a a+a *%'a+ %# #$r*%,a# a!a*a %3 ($(a#a+ ,a&a !ar% *%'a+ %# %%3 &%a#/&%a# "$+-$"%#a+ %# 9%(a a!a3 !a+ %%%3 $$(/$$( &#$r%( ra+'.

Ba&&$#. 1??73. B$,$ra"a 'ara !a"a# $+'(r%&#a* !ar% *ar#a++-a !$+'a+ $+'%(a# &$9*a )*$(* a%r &$,a'a% %!ra#. S$,a'a% 8)+#) a!a*a #$,a'a &*a# "$+#a%!ra# ,$&% &*a# $"#a%!ra# !a+ a*%+% &*a# +)+%!ra#. B$+#( &#r(#r !a*a (r%&#a* #$r!%r% a#a& (a#%)+ #$r%!ra# !a+ a+%)+ #$r%!ra# &$"$r#% 4H2O372=_{!a+ SO7H2O3}2/_{!a*a #$,a'a}

&*a# "$+#a%!ra#_. 4%r% *)'a #ra+&%&% a!a*a $%*%(% $%*%(% &,(*%# ! -a+' #%!a( #$r%&% "$+ a#a !a $+'a&%*(a+ %)+/%)+ !$+'a+ & ,(*%# ! -a+' #%!a( #$r%&% "$+. 4%r% %+% $+-$,a,(a+ ,$,$ra"a 8%r% (a& $*%"#% >ar+a -a+' +%( "$,$+#(a+ &$+-a>a "araa'+$#%( a(#%%#a& (a#a*%#%( !a+ #$r#aa ($8$+!$r+'a+ ,$&ar +#( $,$+#( %)+ ()"*$(&.

(7)

T$,a'a a!a*a *)'a $ra !a -a+' *+a( !a+ !a"a# !%#$"a. Ia $*$,r "a!a 105°4. Kar$+a ")#$+&%a* $*$(#r)!a+-a ")&%#% =057 V +#( "a&a+'a+ 442=3 %a #a(

*ar# !a*a a&a (*)r%!a !a+ a&a &*a# $+8$r $&(%"+ !$+'a+ a!a+-a )(&%'$+ %a ,%&a *ar# &$!%(%#. A&a +%#ra# -a+' &$!a+' "$(a#+-a M3 !$+'a+ !a $*ar#(a+ #$,a'a:

54 = HNO5  542= = 6NO5/ = 2NO  =

7H2O A&a &*a# "$(a# "a+a& 9'a $*ar#(a+ #$,a'a:

4 = 2H2SO7  42= = SO72/ = SO2 = 2H2O

K$,a+-a(a+ 'ara #$,a'a I3 #a( *ar# !a*a a%r "$r%*a(+-a %r%" "$r%*a( &$+-a>a "$ra( I3. M$r$(a !a !%)(&%!a&% $+9a!% &$+-a>a #$,a'a II3 -a+' !a"a# !%#r+(&+ !ar% #$,a'a II3 )(&%!a 4O %#a. Na+ )(&%!a&% &$*a+9#+-a $+9a!% 4 II3 a!a*a &*%#. Gara/'ara #$,a'a II3 +-a ,$r>ar+a ,%r ,a%( !a*a ,$+#( !a*a ,$+#( %!ra# "a!a# a"+ !a*a ,$+#( *ar#a+ a%r. War+a %+% ,$+ar/,$+ar (a& a+-a +#( %)+ #$#raa()("ra# II3 ;4H2O37<2= &a9a. Gara/'ara #$,a'a II3 a+%!ra# &$"$r#%

#$,a'a II3 &*a# a+%!ra# 4SO7 ,$r>ar+a "#% a#a &$!%(%# (+%+'3. Da*a *ar#a+ a%r

&$*a* #$r!a"a# %)+ ()"*$(& #$#raa() a#a *$,% !a !%&$,# !$+'a+ %)+ #$,a'a II3 42=_&a9a.

(8)

BAB !!!

METED$L$G! PERC$BAAN

A. %aktu Pelaksanaan

Har%  Ta+''a* : Ra,  50 N)$,$r 2016 P(* : 0.00  0?.70 WIB

T$"a# : La,)ra#)r% K%%a A+)r'a+%( FMIPA UNP

A. Alat &an Bahan 1. A*a# • G$*a& (%%a 0 L • 4)r)+' '$*a& • G$*a& (r 0 L • G$*a& ar*)9% • P$+'a!( '$*a& • K$r#a& &ar%+' • A*%+% )%* • B)#)* &$"r)# • P%"$# #$#$& • T%,a+'a+ M$##*$r • P$a+a& *%&#r%( • M$*#%+' ")%+# a""ara#& 2. Baa+ • 4SO7.H2O

(9)

• NH732SO7 • KS4N 0M • A)+%a "$(a# • E#a+)* • A(a!$& B. Pr'se&ur kerja

1. P$,a#a+ Gara K)"*$(&

• Lar#(a+ &$,a+-a( @ ' #$,a'aII3 &*a# "$+#a%!ra# !$+'a+ 0 L

a(a!$& !a*a '$*a& (%%a 0 L +%*a% @ a(a+ !%,$r%(a+ )*$ a&%&#$+3.

• Ta,a(a+ a)+%a "$(a# #$#$& !$% #$#$& &a,%* !%a!(3 &a"a% $+!a"a+

-a+' #$r,$+#( *ar# ($,a*% a)+%a ,$r*$,%3.

• D%a(a+ *ar#a+ #$r&$,# "a!a & (aar.

• Ta,a(a+ 20L $#a+)* !$+'a+ "%"$# #$#$& &$8ara "$r*aa+ $*a*% !%+!%+'

'$*a& &a"a% #$r,$+#( !a *a"%&a+ ,a>a C ,%r '$*a" a#a& C ,$+%+'3.

• T#" ra"a# !$+'a+ a*+% )%* !a+ ,%ar(a+ "a!a & ra+' aa#%

"$r#,a+ (r%&#a* -a+' #$r,$+#( "a!a ar% ,$r%(#+-a.

• Sar%+' !a+ *$#a((a+ !a*a '$*a& ar*)9% *a* ($r%+'(a+ (r%&#a* !a*a )$+

"a!a 604 &$*aa 2 9a ($!%a+ (r%&#a* !%#%,a+'.

2. P$,a#a+ Gara Ra+'(a"

• T%,a+' @ ' #$,a'aII3 &*a# "$+#a%!ra# !a+ *ar#(a+ ($ !a*a 20 L a%r

$+!%!% &$,a'a% *ar#a+ 13 +%*a% @ a(a+ !%,$r%(a+ )*$ a&%&#$+.

• T%,a+' @ ' a)+% &*a# !a+ *ar#(a+ !a*a 20 L a%r &$,a'a% *ar#a+

23 +%*a% @ a(a+ !%,$r%(a+ )*$ a&%&#$+.

• 4a"r(a+ *ar#a+ 1 !a+ 2 ($!%a+ a!( %+''a ))'$+.

• Ua"(a+ *ar#a+ #&, &a"a% 9$+ !a+ ($!%a+ ,%ar(a+ !%+'%+ "r)&$&

(r%&#a*%&a&% ,%&a !%,a+# !$+'a+ $+a,a(a+ a%r !%+'%+ !% *ar >a!a '$*a&.

• Sar%+' (r%&#a* -a+' #$r,$+#( !a+ 88% !$+'a+ $#a+)* &$8("+-a. • K$r%+'(a+ "a!a & (aar !a+ #%,a+' a&&a+-a.

3. U'i Kua!iai/

• T%,a+' &$9*a a&&a -a+' &aa !ar% 'ara ra+'(a" !a+ 'ara

()"*$(& -a+' !%"$r)*$ ($!%a+ a&%+'  a&%+' *ar#(a+ !$+'a+  L a(a!$&

.

• R$a(&%(a+ ($!a *ar#a+ #$r&$,# !$+'a+ 2L KS4N 0

M. Amai

(10)

BAB !(

HA#!L DAN PEMBAHA#AN

A. Ta)el Pengamatan

1. Pem)uatan Garam K'm*leks

Pe(!a&uan

Pengamaan

1. 2 'ra 4SO7.H2O =  *

aa!$& = 2 #$#$& a)+%a "$(a# 2. A!( %+''a ))'$+

5. D%#a,a(a+ 20 * $#a+)* ##" !$+'a+ a*%+% )%* !a+

!%a(a+ ,$,$ra"a ar%

7. Kr%&#a* -a+' #$r,$+#( !%&ar%+' ($!%a+ !%($r%+'(a+ !a*a )$+ &$#$*a %# !% #%,a+'

4a(uan be(a(na bi(u

4a(uan be(a(na bi(u muda

4a(uan be(a(na bi(u ua dan

e(benu& dua !a%i$an 5bi(u ge!a%

dibagian baa" dan bening

dibagian baa"6

Be(a &(i$a! 7 2,0 g(am

+. Pem)uatan Garam Rangka*

Pe(!a&uan

Pengamaan

1. 2 'ra 4SO7.H2O = 20 *

aa!$& $+!%!% 8a"r(a+ !$+'a+ 2 'ra a)+% &*a# = 20 * aa!$& a!( %+''a

))'$+

2. D%a"(a+ a#a !%"a+a&(a+

5. D%a(a+ !a+ !%+'%+(a+ !a*a ,a( $&

7. Kr%&#a* -a+' #$r,$+#( !%&ar%+' ($!%a+ !%88% !$+'a+ $#a+)* &$8("+-a &$#$*a %# !% #%,a+'

4a(uan be(a(na bi(u muda

4a(uan be(uba" men'adi a(na

bi(u ua

K(i$a! mu!ai e(benu&

Be(a &(i$a! 7 3,8 g(am

(11)

1. Pem)uatan Garam K'm*leks

Ma&&a 4SO7.H2O C 2 'ra Mr C 27? 'ra  )*

V)*$ a)+%a "$(a# C 02 * Mr C 1 'ra  )* Ma&&a Kr%&#a* C 12 'ra Mr C 27 'ra  )*

)* 4SO7.H2O ¿ gram Mr ¿ 2gram 249,5gram/_mol ¿_0,00801mol M NH5 ¿37 . ρ.1000g/kg Mr ¿0,37.0,91kg/ L .1000g/kg 17gram/_mol ¿_19,8_mol/_L )* NH5 ¿ M . V ¿_19,8_mol/_{L .}₂_x₁₀−4_L ¿_0,00396_mol R$a(&% : 4SO7.H2O = 7 NH5

9u 5

NH537SO7.H2O = 7H2O A>a* 00001 )* 0005?6 )* / / R$a(&% 00001 )* 0052 )* 000 )* A(%r /002? 000 )* Ma(a

(12)

Ma&&a 4NH537SO7.H2O C )* . Mr

C 000 @ 27 'ra)* Ma&&a C 1?67 'ra

Ja!% ,$ra# #$)r%#%& !ar% (r%&#a* 4NH537SO7.H2O a!a*a 1?67 'ra.

Dar% a&%* "$r8),aa+ !%!a"a#(a+ ,a>a ,$ra# (r%&#a* a!a*a C 12 'ra S$%+''a  r$+!$$+ a&%*+-a C ,$ra# &a"$*  ,$ra# #$)r%#%& @ 100

C 12 'ra  1?67 'ra @ 100  C 61 

+. Pem)uatan Garam Rangka*

Ma&&a 4SO7.H2O C 2 'ra Mr C 27? 'ra  )*

Ma&&a NH732SO7 C 2 'ra Mr C 152 'ra  )*

Ma&&a Kr%&#a* C 5 'ra Mr C 5?? 'ra  )*

)* 4SO7.H2O ¿ gram Mr ¿ 2gram 249,5gram/_mol ¿_0,00801mol )* NH732SO7 ¿ gram Mr ¿ 2gram 132gram/_mol ¿_0,015mol R$a(&% : 4SO7.H2O = NH732SO7 4SO732NH732.6H2O A>a* 00001 )* 001 )* /

(13)

R$a(&% 001 )* 001 )* 001 )* A(%r /0002 )* / 001 )* Ma(a Ma&&a 4SO732NH732.6H2O C )* . Mr C 001 @ 5?? 'ra)* Ma&&a C 5?? 'ra

Ja!% ,$ra# #$)r%#%& !ar% (r%&#a* 4SO732NH732.6H2O a!a*a 5?? 'ra.

Dar% a&%* "$r8),aa+ !%!a"a#(a+ ,a>a ,$ra# (r%&#a* a!a*a C 12 'ra S$%+''a  r$+!$$+ a&%*+-a C ,$ra# &a"$*  ,$ra# #$)r%#%& @ 100

C 5 'ra  5?? 'ra @ 100  C ?261 

(14)

C. Pem)ahasan

Gara -a+' $+'a+!+' %)+/%)+ ()"*$(& !%($+a* &$,a'a% &$+-a>a ())r!%+a&% a#a 'ara ()"*$(&. Gara ()"*$(& %+% ,$r,$!a !$+'a+ 'ara ra+'(a". Gara ra+'(a" #$r,$+#( !ar% !a 'ara -a+' $+'(r%&#a* &$8ara ,$r&aa/&aa !a*aa "$r,a+!%+'a+ )*$(* #$r#$+#. Gara/'ara %+% $%*%(% &#r(#r #$r&$+!%r% !a+ #%!a( ar& &aa !$+'a+ &#r(#r 'ara ()")+$++-a. Gara ra+'(a" $%*%(% &#r(#r -a+' *$,% "a+9a+' !%,a+!%+'(a+ &$+'a+ &#r(#r 'ara ()"*$(&. Gara ra+'(a" !a*a *ar#a++-a $r"a(a+ 8a"ra+ ,$r"a %)+ &$!$ra+a -a+' a(a+ $+'%)+ ,%*a !%*ar#(a+ *a'% ,$r,$!a !$+'a+ 'ara ()"*$(& -a+' $+'a&%*(a+ %)+ ()"*$(& a"a,%*a !a*a *ar#a+.

Gara ()"*$(& !a+ 'ara ra+'(a" !a"a# !%,a# (r%&#a*+-a $*a*% &$ra+'(a%a+ "r)&$& (r%&#a*%&a&% !a+ r$(r%&#a*%&a&%. Kr%&#a*%&a&% a!a*a "r)&$& !%a+a (r%&#a* 'ara ()"*$(& !a+ 'ara ra+'(a" #$r,$+#( $*a*% ,$,$ra"a "r)&$& !%a+#ara+-a : "$a+a&a+ "$+'a"a+ "$+!%+'%+a+ "$+-ar%+'a+. Kr%&#a* -a+' #$r,$+#( !ar% "r)&$& (r%&#a*%&a&% &$*a+9#+-a !a"a# !%r+%(a+ a#a !%r$(r%&#a*%&a&% $+''+a(a+ ,$,$ra"a "$*ar# -a+' 8)8)( a#a &$&a% !$+'a+ (r%&#a* -a+' #$r,$+#(. R$(r%&#a*%&a&% ,$r#9a+ +#( $+!a"a#(a+ (r%&#a* !$+'a+ ($r+%a+ #$r#%+''% -a+' ,$,a& !ar% "$+')#)r  "$+')#)r (r%&#a*.

P$r8),aa+ "$r#aa -a%# "$,a#a+ 'ara ()"*$(& 4NH537SO7.H2O

!%a+a #$r&% !%*ar#(a+ !$+'a+ aa!$& !a+ a)+%a "$(a# -a+' &$*a+9#+-a !%#a,a(a+ !$+'a+ $#a+)*. P$+a,aa+ $#a+)* "a!a &aa# "$,a#a+ 'ara ()"*$(& ,$r+'&% +#( $+8$'a "$+'a"a+ -a+' !a"a# #$r9a!% "a!a &aa# "$,a#a+ 'ara ()"*$(&. P$+'a"a+ #$r&$,# ar& !%8$'a a'ar #%!a( ,a+-a(

()")+$+ (r%&#a* 'ara ()"*$(& -a+' #$r,a+' ($ !ara. S$#$*a !%*ar#(a+ Lar#a+ #$r&$,# !%##" !$+'a+ a*%+% )%* !a+ !%a(a+ &$*aa ,$,$ra"a ar%. Kr%&#a* -a+' &!a #$r,$+#( !%&ar%+' $+''+a(a+ ($r#a& &ar%+' ($!%a+ (r%&#a* !%($r%+'(a+ !%!a*a )$+. S$#$*a "$+'$r%+'a+ &$*$&a% &$*a+9#+-a (r%&#a* #$r&$,# !%#%,a+'. B$ra# (r%&#a* -a+' !%"$r)*$ a!a*a &$,a+-a( 12 'ra &$!a+'(a+

(15)

&$8ara #$)r%#%& ,$ra# (r%&#a* a!a*a 1?67 'ra. Ma(a r$+!$$+ (r%&#a* -a+' !%"$r)*$ a!a*a &$,$&ar 61  !a+ &%&a+-a a!a*a "$+')#)r/"$+')#)r.

P$r8),aa+ ($!a a!a*a "r)&$& "$,a#a+ 'ara ra+'(a" 4SO732NH732.6H2O !%a+a #$r&% !%*ar#(a+ !$+'a+ aa!$& $+!%!% !a+

!%8a"r(a+ !$+'a+ a)+% &*a# -a+' &!a !%*ar#(a+ !$+'a+ aa!$&. K$!%a+ 8a"ra+ %+% !%a"(a+ !$+'a+ 8ara "$a+a&a+ "r)&$&$ "$a+a&a+ %+% !%*a((a+ a'ar a#/a# -a+' #$r!a"a# !a*a *ar#a+ &$a(%+ 8$"a# a#a !a ,$r$a(&%. S$#$*a %# *ar#a+ !%!%+'%+(a+ !a*a ,a( $& a'ar "r)&$& "$,$+#(a+ (r%&#a* ,$r*a+'&+' !$+'a+ 8$"a#. S$#$*a (r%&#a &!a #$r,$+#( &$*a+9#+-a (r%&#a* !%&ar%+' !a+ !%88% !$+'a+ $#a+)* &$8("+-a ($!%a+ (r%&#a* !%($r%+'(a+ "a!a & (aar. S$#$*a "r)&$& "$+'$r%+'a+ (r%&#a* &$*$&a% (r%&#a* &$*a+9#+-a !%#%,a+' !a+ ,$ra# (r%&#a* -a+' !%"$r)*$ a!a*a 5 'ra &$!a+'(a+ &$8ara #$)r%#%& ,$ra# (r%&#a* a!a*a 5?? 'ra. Ma(a r$+!$$+ (r%&#a* -a+' !%"$r)*$ a!a*a &$,$&ar ?261  !a+ &%&a+-a a!a*a "$+')#)r/"$+')#)r.

U+#( 9% (a*%#a#% "ra(#%(a+ #%!a( $*a((a++-a a* #$r&$,# !%&$,a,(a+ (ar$+a #%!a( a!a+-a ($#$r&$!%aa+ ,aa+ -a+' !%,#(a+ !a*a "$+'9%a+ (a*%#a#% "a!a (r%&#a* 'ara ()"*$(& !a+ 'ara ra+'(a".

(16)

BAB V

KESIMPULAN

A. Kesimpulan

1. S%a# !ar% 'ara ()"*$(& -a(+% 9%(a !%*ar#(a+ !a*a a%r a(a+ #$rra% $+9a!% ()"*$(& !a+ %)++-a &$!a+'(a+ &%a# 'ara ra+'(a" 9%(a !%*ar#(a+ !a*a a%r a(a+ #$r%)+%&a&% $+9a!% %)+/%)+ "$,$+#(+-a.

2. Kr%&#a* 'ara ra+'(a" ("r% a)+% &*a# %!ra# 4SO7NH732SO7.@H2O -a+'

#$r,$+#( &$,a+-a( 5 'ra !$+'a+ r$+!$$+ ?261 

5. Kr%&#a* 'ara ra+'(a" ("r% a)+% &*a# %!ra# 4NH537SO7.@H2O -a+'

(17)

DA-TAR PU#TAKA

Ba&&$## J.1??7. Buku Ajar Vogel Kimia Analisis Kuantitatif Anorganik . Ja(ar#a : B( K$!)(#$ra+ EG4.

4a+' Ra-)+!. 1??7. Kimia Dasar Jiid Satu Edisi Ketiga. Ja(ar#a: Er*a+''a. Da- M.4 !a+ J. S$*,%+ 1??5 Kimia Anorganik Teori. Y)'-a(ar#a : UGM Pr$&&

Ha!%a# !((. 2007. Kamus Sains. Ja(ar#a : Ba*a% P&#a(a R%a% H. 1??. Asas Pemeriksaan Kimia Edisi Pertama UI Ja(ar#a.

S(ar!9). 1?. Kimia Koordinasi R%+$(a 4%"#a Ja(ar#a.

S:e"!a, +.2;<=. Analisi Anorganik Kuntitatif Makro dan Semimikro. >a&a(a ? PT Ka!man Media Pu$a&a.