01 PENGENALAN ALAT

8/19/2019 01 PENGENALAN ALAT

1/22

PENGENALANALAT-ALATLABORATORIUM

LAPORAN RESMI PRAKTIKUMKIMIA DASAR I

Disusun oleh:

Nama: Giovany Dea Chris ella !en"ra#an

NIM: $%&I$&'$('

Kelom)o*: E+

PROGRAM STUDI TEKNOLOGI PANGAN,AKULTAS TEKNOLOGI PERTANIAN

UNI-ERSITAS KATOLIK SOEGI.APRANATASEMARANG

/'$%1. TUJUAN PRAKTIKUM


2/22

Tu0uan "ila*u*annya )ra* i*um ini a"alah un u* men1ena ala 2ala yan1 "i1una*an "i

la3ora orium *imia4 men1e ahui 5un1si "an 6ara )en11unaan ala "en1an 3enar4

men1e ahui )er3e"aan *e eli ian ala 2ala u*ur4 men1e ahui 6ara )em3ua an laru an

NaCl4 men1ama i in1*a *e eli ian i rasi 3ure )a"a me o"e lam3a mau)un me o"e

6e)a 4 men1e ahui 6ara men1en6er*an sua u laru an4 men1e ahui 6ara mela*u*an i rasi4

ser a men1e ahui 6ara men1enal 1as "en1an men11una*an *er as la*mus&

2. TINJAUAN PUSTAKA

Ala 2ala yan1 "i1una*an )a"a saa )ra* i*um "alam mela*u*an 3er3a1ai )er6o3aan

an ara lain se3a1ai 3eri*u :

$& Ka*i i1a:7er5un1si se3a1ai un1*u "imana "ia asnya er"a)a #a"ah 3ahan23ahan yan1

a*an "i)anas*an "an "ian ara *e i1a *a*inya 3er1una un u* mele a**an a)i

83unsen9 yan1 3er5un1si un u* )emanasan&8 Day Un"er#oo"4 $;;/ 9/& Se1i i1a:

7er5un1si un u* meno)an1 #a"ah 3ahan23ahan yan1 a*an "i)anas*an "ia as

*a*i i1a& 8Day Un"er#oo"4 $;;/9


3/22

/

7er5un1si un u* merea*si*an sua u =a "alam em)era ure yan1 san1a in11i4

men1a3u*an *er as sarin14 ser a mem3an u men1urai*an en"a)an "alam

gravimetric & 8E33in14$;?(9

(& Pin11an )orselen 8 evaporating dish 9:7er5un1si un u* men1ua)*an laru an sehin11a men0a"i )e*a "an *erin14

men1*ris al*an =a 4 "an menyu3limasi*an =a & 8Day Un"er#oo"4 $;;/9

?& Ala 2ala 1elas:Se3elum men11una*an ala 2ala 1elas4 *e3ersihan a"alah hal yan1 )erlu

"i)erha i*an un u* men1hin"ari *e i"a* e)a an "alam )roses rea*si& Cara un u*

mem3ersih*annya a"alah "i3ilas "ua *ali sam)ai 3ersih "en1an aquadestilata &

Ala "a)a "i*a a*an su"ah 3ersih a)a3ila su"ah erliha 0ernih "an 0i*a

"i3asah*an e a) erliha 3enin1& 8Day Un"er#oo"4 $;;/9Ala 2ala 1elas "i3a1i men0a"i "ua 3a1ian yai u:$& Ala 2ala un u* merea*si*an =a :

2 Ta3un1 rea*si 8 reaction tube 9: 3er5un1si un u* merea*si*an =a "alam

0umlah se"i*i "an er*a"an1 )erlu "i*o6o* *e arah sam)in1 83u*an a as

mau)un 3a#ah9& 8Chan14 $;;$92 Gelas )iala 8 beaker glass 9: 3er5un1si un u* merea*si*an =a "alam 0umlah

3anya* "an 0u1a un u* memanas*an 6airan "alam 0umlah 3anya*& 8Chan14

$;;$92 La3u Erlenmeyer: 3er5un1si un u* men1homo1en*an laru an "en1an

memu ar*annya a au men11una*an magnetic stirrer & ,un1si u amanya

a"alah un u* )roses i rasi& 8Chan14 $;;$9/& Ala 2ala )en1u*ur:

Ala 2ala )en1u*ur memili*i an"a era yan1 3eru)a 1aris melin1*ar "imana

1aris ini menun0u**an 3a as s*ala in11i 6airan )a"a volume& @an1 "iliha

a"alah 3a1ian 3a#ah )ermu*aan menis6us& A)a3ila ma a *i a i"a* se in11i

menis*us "a)a er0a"i *esalahan )arala yai u *esalahan )em3a6aan yan1er0a"i *arena le a* ma a i"a* se1aris "en1an s*ala erse3u & 8Su"arma"0i et

al. 4 $;?>9&Con oh26on oh ala )en1u*ur:2 Gelas u*ur: 3er5un1si un u* men1u*ur volume =a 6air "en1an *e eli ian

san1a ren"ah& 8Day Un"er#oo"4 $;;/92 Pi)e : 3er5un1si un u* men1am3il se0umlah laru an "ari sa u #a"ah *e

#a"ah yan1 lain& 8Day Un"er#oo"4 $;;/92 7ure : 3er5un1si un u* i rasi *arena memili*i s*ala "an *eran& 8Day

Un"er#oo"4 $;;/9


4/22

<

2 La3u a*ar: 3er5un1si un u* mem3ua a au men1en6er*an laru an hin11a

volume er en u& La3u a*ar i"a* "i1una*an un u* men1u*ur laru an yan1

"i)in"ah *e #a"ah lain sehin11a 0i*a laru an erse3u "i)in"ah ma*a

volumenya a*an 3er3e"a "en1an yan1 a#al& 8Day Un"er#oo"4 $;;/92 Nera6a: 3er5un1si un u* menim3an1 massa sua u =a "en1an *a)asi as "an

in1*a *e eli ian yan1 3er3e"a an ara nera6a *asar "an nera6a halus&

8Reilley E"#in4 $;%;9;& Pen1a"u*: 3er5un1si un u* men1a"u*4 men1homo1en*an laru an4 "an se3a1ai

)eran ara un u* mem3ersih*an en"a)an yan1 menem)el "i "in"in1 3e0ana 8Day

Un"er#oo"4 $;;/9$'& Gelas arlo0i: 3er5un1si un u* menu u) 3e0ana saa )emanasan4 men1ua)*an

6airan "an se3a1ai ala )a"a #a* u menim3an1 men11una*an nera6a anali i*

8Day Un"er#oo"4 $;;/9$$& Coron1: 3er5un1si un u* mem3an u memasu**an 6airan *e #a"ah yan1

3ermulu *e6il a1ar i"a* um)ah& Da)a 0u1a "i1una*an 3ersamaan "en1an

*er as sarin1& 8Day Un"er#oo"4 $;;/9$/& 7o ol sem)ro : 3er5un1si un u* mem3ersih*an "in"in1 3e0ana "ari sisa en"a)an

yan1 menem)el4 em)a menyim)anan air4 "an men1eluar*an air "alam 0umlah

yan1 er3a as 8Day Un"er#oo"4 $;;/9

$ )e*a & 8Su"arma"0i et al. 4 $;?>9$>& Sen ri5usa: 3er5un1si un u* memisah*an en"a)an "an 6airan in"u*nya "imana

6airan "imasu**an "alam a3un1 lalu "i)u ar "en1an ala ini 8Day

Un"er#oo"4 $;;/9&

Dalam )em3ua an laru an NaCl4 NaCl i"a* menin11al*an en"a)an *arena NaCl laru

sem)urna "alam aquades & NaCl a*an "iurai men0a"i ion Na "an Cl 2 yan1 3er6am)ur

"en1an aquades 8Pe ru66i4 $;?%9& Sema*in 3anya* massa Kris al NaCl yan1 "ilaru *an

ma*a sua u laru an a*an sema*in *eruh 8Day Un"er#oo"4 $;;/9& Kesalahan yan1

serin1 er0a"i a"alah *esalahan "alam meliha in1*a *e*eruhan *arena i"a* a"a

)er3an"in1an yan1 0elas& 8E33in14 $;?(9&

Pen1en6eran a"alah salah sa u 6ara un u* un u* men1uran1i *onsen rasi laru an "en1an

6ara menam3ah*an )elaru "alam 0umlah er en u 8Go"man4 $;;?9& Pen1en6eran "a)a


5/22

>

"ila*u*an "en1an men6am)ur*an laru an a#al "en1an laru an yan1 volumenya le3ih

3esar "alam la3u a*ar& Dalam )en1en6eran i"a* er0a"i rea*si *imia4 sehin11a =a yan1

erlaru "alam laru an a#al haruslah sama "en1an mol a au milimol "i laru an a*hir

8Day Un"er#oo"4 $;;/9& Prinsi) u ama "alam )en1en6eran a"alah semua =a erlaru

yan1 )a"a *ea"aan a#al le3ih )e*a 4 *emu"ian "i0a"i*an laru an yan1 en6er& Sema*in

3anya* er0a"i )en1en6eran4 ma*a a*an sema*in *e6il normali as laru an erse3u

8Pe ru66i Suminar4 $;;/9& Normali as laru an se elah )en1en6eran "a)a "ihi un1

"en1an men11una*an rumus:

- $ & N$ - / & N/

Ke eran1an :

- $ -olume laru an asli yan1 "i1una*an

N$ Normali as laru an asli

- / -olume laru an s an"ar yan1 a*an "i3ua

N / Normali as laru an s an"ar yan1 a*an "i3ua

8Pe ru66i4 $;?%9&

Ti rasi a"alah analisa *uan i a i5 un u* menen u*an *onsen rasi sua u =a "en1an

menam3ah*an se6ara ha i ha i laru an yan1 su"ah "i*e ahui *onsen rasinya& Laru anyan1 su"ah "i*e ahui *onsen rasinya "ise3u laru an s an"ar "an yan1 3iasanya

"imasu**an *e "alam 3ure yan1 "ise3u i ran& Laru an yan1 "i6ari normali asnya

"i em)a *an "alam Erlenmeyer "an "i e esi "en1an in"i*a or yan1 sesuai& In"i*a or

3er5un1si un u* menen u**an i i* e*uivalen i rasi yan1 3iasanya "i an"ai "en1an

a"anya )eru3ahan #arna& ,un1si in"i*a or PP a"alah se3a1ai )enun0u* 3ah#a sua u

laru an su"ah men6a)ai i i* a*hir i rasi "imana a)a3ila "alam suasana asam i"a* a*an

3er#arna e a)i "alam suasana 3asa a*an 3eru3ah #arna men0a"i merah mu"a87ra"y4$;;(9& Ti rasi "ila*u*an "en1an men1eluar*an i ran se6ara )erlahan sam3il

men11oyan1 Erlenmeyer se6ara )erlahan 8E33in14 $;?(9&

Dalam mela*u*an i rasi se3ai*nya "ila*u*an se6ara )erlahan2lahan4 *arena hal i u

"a)a menye3a3*an laru an i ran yan1 "i1una*an "alam i rasi i"a* menem)el )a"a

"in"in1 3ure & Ti rasi se6ara 6e)a 3oleh 0u1a "ila*u*an4 a*an e a)i )em3a6aan volume

=a i ran harus "i un11u 3e3era)a saa se elah men6a)ai i i* a*hir i rasi selesai& !al i u


6/22

%

"ila*u*an 3er u0uan a1ar laru an i ran yan1 masih menem)el "i "in"in1 3ure "a)a

)erlahan2lahan menurun& Dalam mela*u*an i rasi4 )em3a6aan volume =a i ran

"ila*u*an "en1an mem3a6a menis*us *e6e*un1an "ari laru an erse3u 8Day

Un"er#oo"4 $;;/9& Menis*us er3a1i men0a"i menis*us 6e*un1 "an menis*us

6em3un1& Menis*us 6en1*un1 0u1a 3isa am)a* nai* se elah 3e3era)a meni 4 se elah

se3elumnya "i*eluar*an "en1an 6e)a 8Sumar"0i et al., $;?>9&

Un u* men1hasil*an 1as N! < "a)a "ila*u*an "en1an 6ara merea*si*an amonium

*lori"a "en1an NaO! *emu"ian "i)anas*an "alam a3un1 rea*si& Gas yan1 "ihasil*an

memili*i 3au yan1 menyen1a "an "a)a "i3au "en1an 6ara yai u men1i)as*annya "i

a as mulu a3un1 "an men0a1a 0ara* "en1an hi"un1 *i a 8Pe ru66i4 $;?%9& Ker as

la*mus a"a "ua ma6am yai u la*mus merah "an la*mus 3iru& Ker as la*mus "a)a

"i1una*an se3a1ai in"i*a or *arena "a)a men1e ahui sua u senya#a 3ersi5a asam a au

3asa "en1an )eru3ahan #arna )a"a *er as la*mus erse3u & .i*a la*mus merah men0a"i

3iru ma*a laru an erse3u 3ersi5a 3asa "an 3ila la*mus 3iru men0a"i merah ma*a

laru an erse3u 3ersi5a asam 8Rahar0o4 $;?(9&


7/22

3. MATERI METODE

1 Materi

1 Alat

Ala yan1 "i1una*an "alam )ra* i*um ini a"alah 1elas u*ur4 )en1a"u*4 ermome er4

)om)a pilleus 4 a3un1 rea*si4 ra* a3un1 rea*si4 )en0e)i 4 *er as la*mus4 Erlenmeyer4

1elas arlo0i4 *lem4 3unsen4 )i)e e es4 la3u a*ar4 3ure 4 s a i54 s)iri us4 )i)e volume4

stopwatch 4 im3an1an anali i*&

3.1.1. Bahan

7ahan yan1 "i1una*an "alam )ra* i*um ini a"alah aFua"es ila a4 NaCl4 ! / SO > '4$ N4

NaO!4 in"i6a or PP 8 phenolphthalein 94 "an N! >Cl&

3.2. Met !e

3.2.1. Ketelitian Alat-alat U"#r

La3u a*ar "iisi aFua"es ila a se3anya* $'' ml *emu"ian laru an erse3u "i)in"ah*an

*e "alam 1elas u*ur lalu "i6a a *e eli iannya& Selan0u nya laru an aFua"es ila a erse3u

"i)in"ah*an *e "alam Erlenmeyer "an "i6a a *em3ali *e eli iannya&

3.2.2. Pe$%#atan Lar#tan Na&l

NaCl "i im3an1 se3anya* < *ali "en1an 3era < 1ram 8*elom)o* $ "an >94 % 1ram

8*elom)o* / "an %94 $' 1ram 8*elom)o* < "an +9 men11una*an 1elas arlo0i "an nera6a

anali i*& Kemu"ian "ilaru *an 3ersama "en1an aFua"es ila a se3anya* $'' ml *e "alam

la3u a*ar& Se elah 3e3era)a saa 4 )eru3ahan "iama i "an "i6a a &

3.2.3. Tin'"at Ketelitian Titra(i B#ret

7ure "iisi "en1an aquadestilata )a"a sem3aran1 an1*a4 *emu"ian $' ml aquadestilata

"i*eluar*an "en1an lam3a & Menis*usnya "i6a a 86em3un14 6e*un14 a au "a ar94

"i un11u 3e3era)a meni "an "iliha la1i menis*usnya& 7ure "iisi la1i lalu "i*eluar*an

la1i "en1an 6e)a 4 menis6us "i6a a "an "i un11u 3e3era)a meni &

+


8/22


9/22

- / volume laru an s an"ar yan1 a*an "i3ua

N$ normali as asli

N / normali as laru an s an"ar yan1 a*an "i3ua

3.2.,. Pen'enalan Ga( !en'an Kerta( La"$#(

Laru an N! >Cl "iam3il / ml lalu "imasu**an *e "alam a3un1 rea*si "an "i am3ah*an

/ ml laru an NaO!& Ta3un1 rea*si "i)e1an1 "en1an )en0e)i lalu "i)anas*an sam3il

"i1oyan121oyan1*an& Mulu a3un1 harus se"i*i "i6on"on1*an "an men1arah *e

0en"ela 3u*an *e oran1& Pa"a saa men"i"ih4 =a "alam a3un1 "i0a1a a1ar 0an1an

sam)ai *eluar "ari mulu a3un1 8le3ih2le3ih un u* =a yan1 mu"ah er3a*ar9 "en1an

6ara men1an1*a a3un1 "ari a as a)i 3ila =a "alam a3un1 su"ah mulai nai* a au

ham)er *eluar& Cara mem3au a"alah a as mulu a3un1 "i*i)as2*i)as "an "i3au )a"a

0ara* rela i5 0auh& Kemu"ian 3au 1as yan1 er3en u* "i6a a "an "iama i =a 2=a se3elum

"an sesu"ah rea*si& Ker as la*mus merah "an 3iru "i)e1an1 "i "e*a mulu a3un1

rea*si& Peru3ahan #arna "ari *er as la*mus "iama i "an "i3eri *esim)ulan&


10/22


11/22

Ta3el /& !asil Pen1ama an Pem3ua an Laru an NaCl

Kelom)o* Massa NaCl 819 Pen1ama anE$ < A"a 1elem3un14 i"a* a"a en"a)an4 i"a* *eruhE/ % Ti"a* a"a 1elem3un14 i"a* a"a en"a)an4 i"a* *eruhE< $' Ti"a* a"a 1elem3un14 i"a* a"a en"a)an4 i"a* *eruhE> < A"a 1elem3un14 i"a* a"a en"a)an4 i"a* *eruhE% % A"a 1elem3un14 i"a* a"a en"a)an4 i"a* *eruhE+ $' Ti"a* a"a 1elem3un14 i"a* a"a en"a)an4 i"a* *eruh

Peru3ahan yan1 "iama i )a"a )er6o3aan ini a"alah in1*a *e*eruhan sua u laru an4

a"anya 1elem3un1 "an en"a)an "en1an )em3erian NaCl yan1 3er3e"a massanya& Pa"a

a3el "ia as "a)a "iliha 3ah#a )er3e"aan massa NaCl i"a* mem3eri*an )eru3ahan

yan1 si1ni5i*an& A"a *e i"a*sesuaian an ara hasil )en1ama an *elom)o* E/ "an E%yan1 melaru *an % 1ram NaCl&

).3. Tin'"at Ketelitian Titra(i B#ret

!asil )en1ama an in1*a *e eli ian i rasi 3ure "a)a "iliha )a"a Ta3el < se3a1ai

3eri*u :

Ta3el


12/22

Pa"a Ta3el < "a)a "iliha 3ah#a i rasi "en1an me o"e lam3a "an "en1an me o"e 6e)a

a*an mem3u uh*an #a* u yan1 3er3e"a e a)i )osisi menis*us yan1 "ihasil*an sama&

Pa"a )er6o3aan me o"e 6e)a semua *elom)o* menun0u**an hasil menis*us 6e*un1&

Un u* )er6o3aan me o"e lam3a )un semua *elom)o* menun0u**an hasil menis*us

6e*un1&

).). Pen'en*eran

!asil )en1ama an )en1en6eran "a)a "iliha )a"a Ta3el > se3a1ai 3eri*u :

Ta3el >& !asil Pen1ama an Pen1en6eran

Kelom)o* -ol ! / SO > a#al8ml9

Konsen rasi a#al8N9

-ol ! / SO > a*hir 8ml9

Konsen rasia*hir 8N9

E$ $' '4$ $'' '4'$E/ $' '4$ $'' '4'$E< $' '4$ $'' '4'$E> $' '4$ $'' '4'$E% $' '4$ $'' '4'$E+ $' '4$ $'' '4'$

Per6o3aan ini "ila*u*an "en1an men1en6er*an $' ml laru an ! / SO >& Pa"a )er6o3aan

)en1en6eran "ari $' ml men0a"i $'' ml menye3a3*an )eru3ahan normali as yan1

sema*in ren"ah& Normali as laru an ! / SO > men0a"i '4'$N&

).+. Titra(i !en'an B#ret

!asil )en1ama an i rasi "en1an 3ure "a)a "iliha )a"a Ta3el % se3a1ai 3eri*u :

Ta3el %& !asil Pen1ama an Ti rasi "en1an 7ure

Kelom)o* -olume NaO! 8ml9 Normali as 8N9E$ $4; '4'?E/ $4; '4'?E< '4? '4$?/%E> $4/ '4$/%E% $4+ '4';E+ $4? '4'?<

Pa"a Ta3el %4 "a)a "iliha 3ah#a )er3e"aan volume NaO! yan1 "i3u uh*an "alam

)roses i rasi a*an men1hasil*an )erhi un1an normali as ! / SO > yan1 3er3e"a )ula&

$$


13/22

-olume NaO! yan1 "i3u uh*an ra a2ra a se*i ar $4% ml& Se"an1*an normali as NaO!

ra a2ra a se*i ar '&$'( N&

).,. Pen'enalan Ga( !en'an Kerta( La"$#(

!asil )en1ama an )en1enalan 1as "en1an *er as la*mus "a)a "iliha )a"a Ta3el +

se3a1ai 3eri*u :

Ta3el +& !asil Pen1ama an Pen1enalan Gas "en1an Ker as La*mus

Kelom)o* Gas yan1 er3en u* Si5a 7au arna la*mus

E$ N! < 7asa Menyen1a La*mus Merah J 7iruLa*mus 7iru J 7iruE/ N! < 7asa Menyen1a La*mus Merah J 7iru

La*mus 7iru J 7iruE< N! < 7asa Menyen1a La*mus Merah J 7iru

La*mus 7iru J 7iruE> N! < 7asa Menyen1a La*mus Merah J 7iru

La*mus 7iru J 7iruE% N! < 7asa Menyen1a La*mus Merah J 7iru

La*mus 7iru J 7iruE+ N! < 7asa Menyen1a La*mus Merah J 7iru

La*mus 7iru J 7iru

Rea*si an ara N! >Cl "an NaO! a*an men1hasil*an 1as N! < yan1 3ersi5a 3asa& Sua u

laru an yan1 3ersi5a 3asa a*an men1u3ah la*mus merah men0a"i 3iru4 "an la*mus 3iru

e a) 3iru& Selain i u4 1as N!< memili*i 3au yan1 menyen1a &

$/


14/22

+. PEMBA ASAN

+.1. Ketelitian Alat-alat #"#r

Dalam )er6o3aan ini4 ala u*ur yan1 "i1una*an a"alah la3u a*ar4 1elas u*ur4 "an

Erlenmeyer& Dari hasil )en1ama an "a)a "iliha 3ah#a *e i1a ala u*ur erse3u

memili*i hasil yan1 3er3e"a23e"a& Misalnya )a"a hasil )en1ama an *elom)o* E$4

)en1u*uran aFua"es "en1an la3u a*ar menis6us e)a )a"a an"a era $'' ml& Te a)i4

*e i*a "i)in"ah *e 1elas u*ur menis6us 3era"a "i3a#ah an"a era $'' ml4 "an *e i*a

"i)in"ah *e Erlenmeyer4 menis6us 3era"a "ia as an"a era&

!al ini "i*arena*an *e eli ian se ia) ala u*ur 3er3e"a& La3u a*ar 3er5un1si un u*

mem3ua laru an "en1an volume se e)a 2 e)a nya ma*a memili*i in1*a *e eli ian yan1

in11i 8Day Un"er#oo"4 $;;/9& Se"an1*an 1elas u*ur memili*i in1*a *e eli ian

yan1 ren"ah 8Day Un"er#oo"4 $;;/9& Se"an1*an Erlenmeyer "i1una*an un u*

i rasi4 3u*an un u* mela*u*an )en1u*uran mes*i)un )a"a Erlenmeyer er"a)a s*ala

)en1u*urannya 8Chan14 $;;$9& Karena i u $'' ml "alam la3u a*ar4 1elas u*ur4 "an

Erlenmeyer 3er3e"a& Den1an "emi*ian4 "ari *e i1a ala yan1 "ise3u *an4 la3u a*ar

meru)a*an ala "en1an *e eli ian yan1 )alin1 e)a 4 se"an1*an 1elas u*ur meru)a*anala "en1an *e eli ian yan1 )alin1 ren"ah 8Day Un"er#oo"4 $;;/9&

Selain i u4 *esalahan parallax a au *esalahan "alam mem3a6a s*ala "an *e i"a* eli ian

)ra* i*an "alam menuan1*an aFua"es 8menis6us i"a* e)a $'' ml9 0u1a

mem)en1aruhi hasil )en1ama an ini& !al ini "a)a "iliha )a"a hasil )en1ama an

*elom)o* )a"a *lo er E yan1 3er3e"a23e"a&

+.2. Pe$%#atan Lar#tan Na&l

Per6o3aan "ila*u*an "en1an menim3an1 Kris al NaCl se3anya* < 1ram4 % 1ram4 "an $'

1ram& Kemu"ian "ilaru *an "en1an aFua"es *e "alam la3u a*ar& !asil yan1 "i"a)a

a"alah semua laru an i"a* *eruh 8*e6uali *elom)o* E%94 i"a* a"a en"a)an4 "an E$4

E>4 E% a"a 1elem3un1 se"an1*an E/4 E


15/22

Laru an NaCl i"a* menin11al*an en"a)an *arena NaCl laru sem)urna "alam aFua"es&

NaCl a*an "iurai men0a"i ion Na "an Cl 2 yan1 3er6am)ur "en1an aFua"es 8Pe ru66i4

$;?%9& Sema*in 3anya* massa Kris al NaCl yan1 "ilaru *an ma*a sua u laru an a*an

sema*in *eruh 8Day Un"er#oo"4 $;;/9& Namun hasil )en1ama an *lo er E a"alah

#arna i"a* *eruh& !al ini "i*arena*an a"anya *esalahan "alam meliha in1*a

*e*eruhan ini "i*arena*an ia) *elom)o* hanya mem3ua sa u a au "ua laru an "en1an

massa er en u sa0a4 sehin11a i"a* a"a )er3an"in1an yan1 0elas 8E33in14 $;?(9&

Per3e"aan )en1ama an *elom)o* E/ "an E% yan1 sama2sama melaru *an % 1ram NaCl

namun E/ menulis i"a* a"a 1elem3un1 se"an1*an E% menulis*an a"a 1elem3un1&

Menuru E33in1 8$;?(94 5a* or yan1 mun1*in men0a"i )enye3a3nya an ara lain :

)elaru an yan1 i"a* sem)urna4 a*aran yan1 i"a* e)a 4 6ara )elaru an yan1 salah4 "s3&

Mun1*in 0u1a #a* u rea*si yan1 *uran1 "i)erha i*an sehin11a mun1*in laru an 3elum

3erea*si a)i su"ah "ian11a) 3erea*si&

+.3. Tin'"at Ketelitian Titra(i B#ret

Pa"a )er6o3aan in1*a *e eli ian i rasi 3ure 4 #a* u yan1 "i3u uh*an un u*

men1alir*an $' ml aFua"es "en1an me o"e 6e)a 3er3e"a 6u*u) 0auh "en1an me o"elam3a & Namun #a* u yan1 "i3u uh*an un u* ia) *elom)o* 3er3e"a& !al erse3u

"i*arena*an air yan1 3era"a "iu0un1 3ure se elah 3e3era)a meni a*an urun sehin11a

s*ala yan1 semula menun0u**an an1*a er en u men0a"i i"a* e)a se elah 3e3era)a

meni & Menis*us 6en1*un1 0u1a 3isa am)a* nai* se elah 3e3era)a meni 4 se elah

se3elumnya "i*eluar*an "en1an 6e)a 8Sumar"0i et al., $;?>9& !al ini "ise3a3*an

*arena )a"a i rasi a au )en1eluaran 6airan "ari "alam 3ure se6ara 6e)a 4 a*an

men1a*i3a *an air a*an ersisa "i)in11iran 3ure 4 sehin11a air erse3u a*an urun "anvolume 3er am3ah& 8 Day Un"er#oo" 8$;;/9&

Per3e"aan #a* u an ar *elom)o* un u* masin12masin1 me o"e 3ai* me o"e 6e)a

mau)un lam3a 3ias sa0a "i*arena*an 3ure yan1 "i1una*an 0u1a 3er3e"a& A"a 3ure

yan1 a)a3ila *eran 3ure "i3u*a seluruhnya yan1 *eluar hanya se e es "emi se e es4

i"a* men1u6ur se)er i yan1 seharusnya&


16/22

Da)a "isim)ul*an 3ah#a "alam mela*u*an i rasi hen"a*nya "ila*u*an "en1an me o"e

lam3a yan1 hasilnya le3ih eli i& !al ini "ise3a3*an *arena )en1eluaran 6airan se6ara

lam3a a*an menye3a3*an laru an i"a* menem)el )a"a "in"in1 3ure & 8Day

Un"er#oo"4 $;;/9&

+.). Pen'en*eran

! / SO > se3anya* $' ml "en1an normali as a#al '4$ N "ilaru *an men11una*an aFua"es

hin11a volumenya men6a)ai $'' ml& Normali as ! / SO > se elah )en1en6eran "a)a

"ihi un1 "en1an men11una*an rumus:

- $ & N$ - / & N/

Ke eran1an :

- $ -olume laru an asli yan1 "i1una*an

N$ Normali as laru an asli

- / -olume laru an s an"ar yan1 a*an "i3ua

N / Normali as laru an s an"ar yan1 a*an "i3ua

8Pe ru66i4 $;?%9&

Den1an rumus )en1en6eran erse3u 4 "i)eroleh normali as a*hir laru an ! / SO > se3esar '&'$ N& Menuru Day Un"er#oo" 8$;;/9 "alam )en1en6eran i"a* er0a"i rea*si

*imia4 sehin11a =a yan1 erlaru "alam laru an a#al haruslah sama "en1an mol a au

milimol "i laru an a*hir& Prinsi) u ama "alam )en1en6eran a"alah semua =a erlaru

yan1 )a"a *ea"aan a#al le3ih )e*a 4 *emu"ian "i0a"i*an laru an yan1 en6er& Sema*in

3anya* er0a"i )en1en6eran4 ma*a a*an sema*in *e6il normali as laru an erse3u

8Pe ru66i Suminar4 $;;/9&

+.+. Titra(i !en'an B#ret

Per6o3aan ini "ila*u*an "en1an men i rasi $' ml laru an ! / SO > yan1 "i3ua "ari hasil

)en1en6eran 8"i am3ah "en1an in"i*a or PP9 "en1an laru an NaO!& Ti i* a*hir i rasi

"i an"ai "en1an a"anya )eru3ahan #arna "ari 3enin1 men0a"i merah mu"a&


17/22

,un1si In"i*a or PP a"alah se3a1ai )enun0u* 3ah#a sua u laru an su"ah men6a)ai i i*

a*hir i rasi "imana a)a3ila "alam suasana asam i"a* a*an 3er#arna e a)i "alam

suasana 3asa a*an 3eru3ah #arna men0a"i merah mu"a 87ra"y4$;;(9&

Rea*si yan1 er0a"i a"alah:

! / SO >8aF9 / NaO!8l9 Na / SO >8aF9 / ! / O8l9

Da)a "iliha )a"a hasil )en1ama an 3ah#a volume NaO! yan1 "i3u uh*an un u*

i rasi masin12masin1 *elom)o* 3er3e"a& !al ini "a)a "ise3a3*an oleh 3e3era)a 5a6 or

an ara lain a"anya *e3o6oran "ise*i ar *eran 3ure 4 )ra* i*an *uran1 sa3ar menun11u

air men1alir "i se)an0an1 "in"in1 "alam 3ure se3elum mem3a6a s*ala 3ure 4 a"anya

1elem3un1 u"ara "alam 3ure yan1 menye3a3*an er0a"inya 1ala 8*esalahan "alam

)er6o3aan94 *elalaian )ra* i*an "alam menen u*an i i* a*hir i rasi4 *esalahan parallax

saa mem3a6a s*ala )a"a 3ure 4 )er3e"aan )erse)si men1enai )eru3ahan #arna saa i i*

a*hir i rasi 8Day Un"er#oo"4 $;;/9&

7er"asar*an rumus:- $ & N$ - / & N/

"a)a "i*e ahui 3ah#a *onsen rasi ra a2ra a laru an NaO! a"alah '&$'? N&

Saa mela*u*an i rasi )ra* i*an men1alami *esu*aran )a"a saa i rasi ham)ir

men6a)ai i i* a*hir i rasi 8end point 9& Pa"a saa i u "i3u uh*an *e eli ian ser a *eha i2

ha ian e*s ra a1ar #arna laru an yan1 "ihasil*an sesuai "en1an yan1 "i*ehen"a*i yai u

merah san1a mu"a& Konsen rasi laru an se ia) *elom)o* 3er3e"a23e"a *arena a"anya )er3e"aan volume NaO! yan1 "i1una*an saa i rasi ser a )en1ama an yan1 i"a* sama

an ar )ra* i*an& A"a yan1 men1hen i*an i rasi saa #arna merah mu"a su"ah mulai

am)a* 0elas "an a"a 0u1a yan1 men1hen i*an saa men6a)ai #arna merah san1a mu"a&

Ma*a "ari i u un u* men1uran1i *esalahan "alam )enen uan i i* a*hir i rasi4 se3ai*nya

i rasi "ila*u*an "en1an men11una*an me o"e lam3a & !asil yan1 "i)eroleh "en1an


18/22

men11una*an me o"e lam3a le3ih a*ura "i3an"in1*an "en1a men11una*an me o"e

6e)a 8E33in14 $;?(9&

+.,. Pen'enalan Ga( !en'an Kerta( La"$#(

Pa"a )er6o3aan ini / ml N! >Cl "i6am)ur "en1an / ml NaO!& Pa"a saa "i)anas*an

er0a"i rea*si an ara "ua laru an erse3u se3a1ai 3eri*u :

N! >Cl8aF9 NaO!8aF9 NaCl8aF9 N! < 819 ! / O8l9

Gas N!< mem)unyai 3au yan1 menyen1a & In"en i5i*asi 3au ini "a)a "ila*u*an

"en1an men1i)as2n1i)as*an an1an "i a as mulu a3un1 rea*si a1ar 3au "a)a er6ium

hi"un1 *i a yan1 0ara*nya rela i5 0auh 8Pe ru66i4 $;?%9& Gas ini 3ersi5a 3asa "an "a)a

"i*enali "ari *er as la*mus& Ker as la*mus yan1 semula 3iru a*an e a) 3iru "an *er as

la*mus merah 3eru3ah men0a"i 3iru& Si5a 3asa "ari 1as ini 3erasal "ari si5a 3asa yan1

"imili*i N! >O! yan1 erhi)o e is 8Rahar"0o4 $;?(9&


19/22

,. KESIMPULAN

• Se ia) ala u*ur memili*i *e eli ian yan1 3er3e"a sesuai "en1an 5un1si masin12

masin1&• Ma*in 3anya* massa *ris al NaCl yan1 "ilaru *an4 ma*a ma*a #arna laru an

ma*in *eruh&• Ti rasi me o"e lam3a le3ih a*ura "ari)a"a i rasi 6e)a &• Dalam )en1en6eran4 normali as a*an 3er*uran1 seirin1 3er am3ahnya =a

)en1en6er&• Rea*si an ara N! >Cl "en1an NaO! a*an men1hasil*an 1as N! < yan1 3ersi5a

3asa 8mem3iru*an *er as la*mus9 "an memili*i 3au yan1 menyen1a &• Senya#a yan1 3ersi5a 3asa a*an men1u3ah *er as la*mus men0a"i 3er#arna

3iru4 se"an1*an senya#a yan1 3ersi5a asam a*an men1u3ah *er as la*mus

men0a"i merah&

Semaran14 $$ Novem3er /'$% Asis en Pra* i*um:Pra* i*an4 2 ,elly6ia Devi P&

2 Melisa -i6ilia

Giovany Dea Chris ella !en"ra#an$%&I$&'$('

$?


20/22

. DA/TAR PUSTAKA

7ra"y4 .ames& E& 8$;;(9& Kimia Universi as& 7ina Ru)a A*sara& .a*ar a&

Chan14 R& 8$;;$9& Chemis ry ,our h E"i ion& @or* Gra)hi6 Servi6es& USA &

Day4 R&A& A&L& Un"er#oo"& 8$;;/9& Analisa Kimia Kuan i a i5 e"isi *elima&Erlan11a& .a*ar a&

E33in14 D&7& 8$;?(9& General Chemis ry& !ou1h on Mi55lin Com)any& 7os on&

Go"man4 A& 8$;;?9& Kamus Sains 7er1am3ar& PT& Grame"ia Pus a*a U ama& .a*ar a&

Pe ru66i4 R&!& 8$;?%9& Kimia Dasar Prinsi) Tera)an Mo"ern4 0ili" "ua4 e"isi *eem)a &Erlan11a& .a*ar a&

Pe ru66i4 R&!& Suminar 8$;;/9& Kimia Dasar& Erlan11a& .a*ar a&

Rahar"0o4 S&7& 8$;?(9& 7u*u Pe un0u* Kuliah Pra* i*um Kimia Dasar& Universi asSe3elas Mare & @o1ya*ar a&

Reilley4 C&N& E"#in4C&M& 8$;%;9& A La3ora ory manual 5or General Chemis ry& TheRi3ersi"e Press& Cam3ri"1e&

Su"arma"0i4 S&4 7am3an1 !& Suhar"i& 8$;?>9& Prose"ur Analisa un u* 7ahanMa*anan Per anian& Li3er y& @o1ya*ar a&

$;


21/22

0. LAMPIRAN

0.1. Perhit#n'an

0.1.1. Perhit#n'an Pen'en*eran 2SO )

Di*e ahui :- $ -olume ! / SO > a#al $'ml- / -olume ! / SO > a*hir $''ml

N $ Normali as a#al '4$ N

.a#a3 :

a& Kelom)o* E$2 E+

- $ & N$ - / & N/$' ml & '4$ N $'' ml& N /

N / '4'$ N

0.1.2. Perhit#n'an Titra(i

Di*e ahui :- $ -olume NaO!- / -olume ! / SO > $% ml

N $ Normali as NaO! N / Normali as ! / SO >

.a#a3 :

a& Kelom)o* E$

- $ N$ - / N/$% '&'$ $&; N /

N / '4'? N

3& Kelom)o* E/

- $ N$ - / N/$% '&'$ $&; N /

N / '&'? N

6& Kelom)o* E<

- $ N$ - / N/

/'


22/22

/$

$% '&'$ '&? N /

N / '&$; N

"& Kelom)o* E>- $ N$ - / N/$% '&'$ $&/ N /

N / '&$< N

e& Kelom)o* E%- $ N$ - / N/$% '&'$ $&+ N/ N$ '&'; N

5& Kelom)o* E+- $ N$ - / N/$% '&'$ $&+ N/

N / '&'? N

0.2. La ran Se$entara

01 PENGENALAN ALAT

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