LAB REPOR REPORT CHM 421 LECTURER’S NAME : PUAN SITI NOORASHIKIN JAMAL EXPERIMENT NO : 2 TITLE : ANALYSIS ANALYSIS OF UNKNOWN ACETIC ACETIC ACID SOLUTION SOLUTION
DATE OF SUBMISSION:
EXPERIMENT SOLUTION
2
:
ANALYSIS OF
AN UNKNOWN
ACETIC
ACID
Abstract :
This !"#i$%& '# ()##* +,& &+ )%)-*sis &h ,%.%+'% )(&i( )(i/ s+-,&i+%0 I% +#/# &+ ,#&h# &h !"#i$%& i& is i$"+#&)%& &+ "#")# &h s+/i,$ h*/#+!i/ N)OH s+-,&i+%0 I% &his ")#& ' h)/ &+ "#")#/ 1 -i&# + )""#+!i$)&-* 302 M N)OH s+-,&i+% 5* /i-,&i%6 ) "#")#/ s&+(. s+-,&i+% + )""#+!i$)&-* 37 N)OH 5* $)ss0 E!"#i$%& )-s+ )s./ )5+,& &+ s&)%/)#/is &h N)OH )s ) 5)s )6)i%s& P+&)ssi,$ H*/#+6% Ph&h)-)&8KHP90 I% &his ")#& ' h) -)#%/ )5+,& ) 'i6hi%6 &(h%i;, ()--/ 'i6hi%6 5* /i<#%(0 I& is i$"+#&)%& &+ 6& )((,#)& 'i6h + KHP0 Th% &h $)i% ")#& +# &his !"#i$%& is &+ )%)-*sis &h ,%.%+'% )(&i( )(i/ s+-,&i+%0 I% &his !"#i$%& ' %/ &+ =%/ &h /%si&* + i%6)# s)$"- =#s&0 Th "h%+-"h&h)-i% i%/i()&+# is ,s/ +# &i&#)&i+% 'i&h s&)%/)#/i>/ N)OH s+-,&i+%0 Objecties
:
10 T+ "#")# &h S+/i,$ H*/#+!i/ S+-,&i+% 20 T+ S&)%/)#/is &h B)s )6)i%s& P+&)ssi,$ H*/#+6% Ph&h)-)& ?0 T+ A%)-*sis &h U%.%+'% A(&i( A(i/ S+-,&i+% I!tr"#$cti"! :
I% &his !"#i$%& ' 'i-- -)#%/ )5+,& %ri&ar' sta!#ar# sta!#ar#isati"! )%/ sta!#ar# s"($ti"! 0 Pri&ar' sta!#ar# is ) s+-,& 'hi(h ()% 5 +5&)i%/ i% ) #* ",# s&)5- 'i6h)5- +#$0 S+/i,$ H*/#+!i/ N)OH is %+& ) "#i$)#* s&)%/)#/ 5(),s i& is h*6#+s(+"i( $)%i%6 &h)& i& )5s+#5s $+is&,# #)"i/-* 'h% !"+s &+ )i#0 Th,s i&s )((,#)& (+%(%&#)&i+% ()% +%-* 5 /&#$i%/ 5* s&)%/)#/isi%6 &h s+-,&i+% )6)i%s& ) #* ",# "+&)ssi,$ h*/#+6% "h&h)-)& KHC @H434 8KHP9 i% ) s#is + #"-i()& &i&#)&i+%s0 This "#+(ss is ()--/ sta!#ar#isati"!0 Whi- sta!#ar# s"($ti"! is ) s+-,&i+% 'h+s s+-,& (+%(%&#)&i+% is )((,#)&-* .%+'%0
Met)"# :
8A9 P#")#)&i+% + &h S+/i,$ H*/#+!i/ S+-,&i+% 10 Th /%si&* + &h "#")#/ 37 N)OH is /&#$i%/ 5* $)s,#i%6 &h $)ss + 13 $L s+-,&i+%0 A /#* )%/ $"&* 3 $L 5).# is 'i6h/0 13 $L + &h N)OH s+-,&i+% is "i"&&/ )%/ &#)%s##/ &+ &h "# 'i6h/
5).#0 Th 5).# is #'i6h/0 Th /i<#%( i% 'i6h& 6is &h 'i6h& + 13 $L 37 N)OH "#")#/ i% &his -)5+#)&+#*0 Th /%si&* + &h "#")#/ 37 N)OH is ,s/ &h )""#(i)& +-,$ + &h s&+(. s+-,&i+% is ()-(,-)&/ "#")#)&i+% + 1L + )""#+!i$)&-* 302 M S+/i,$ H*/#+!i/ N)OH s+-,&i+% is #;,i#/0 20 433 $L + /is&i--/ ')&# is "-)(/ i%&+ ) (-)% "-)s&i( 5+&&-0 Th ()-(,-)&/ +-,$ + &h s&+(. N)OH s+-,&i+% is +5&)i%/ ,si%6 6#)/,)&/ (*-i%/#0 P+-*&h*-% /#+""# is ,s/ &+ /is"%s/ &his +-,$0 Th% &h (+%&%& is "+,#/ i%&+ &h ")#&i)--* =--/ "-)s&i( 5+&&-0 Th (*-i%/# is #i%s/ +,& ) ' &i$s 'i&h #sh /is&i--/ ')&# )%/ )-- &h #i%ss is )/// i%&+ &h (+%&%&s + &h "-)s&i( 5+&&-0 Th ()" +% &h "-)s&i( 5+&&- is s(#'/ )%/ &h (+%&%&s is $i!/ 5* ()#,--* )%/ &h 5+&&- is i%#&/ i6+#+,s-* )%/ s'i#-i%6 i& #")&/-*0 Th #$)i%i%6 33 $L + ')&# is )/// i% &h# 233 $L 5)&(hs &h (+%&%&s is $i!/ i% &h 5+&&- )(h &i$0 Th 5+&&- is sh).s )& -)s& 23 &i$s )&# &h -)s& )//i&i+%0
8B9 S&)%/)#/is)&i+% + &h B)s )6)i%s& P+&)ssi,$ H*/#+6% Ph&h)-)& 10 1 6 s)$"- + /#* "#i$)#*s&)%/)#/ 6#)/ "+&)ssi,$ h*/#+6% "h&h)-)&8KHP9 is 'i6h/ +% &+ ) 'i6hi%6 5+)&0 Th KHP h)s 5% /#i/ )#-i# i% )% +% )& 113 C +# 2 h+,#s )%/ s&+#/ i% ) /si(()&+# "#i+# &+ ,s0 20 Th )"")#)%( + &h )5+ 1 6 s)$"- is ,s/ )s ) 6,i/ &+ )((,#)&-* 'i6h &'+ $+# s,(h s)$"-s 5* /i<#%(0 ,)%&i&)&i-* &h =#s& s)$"- is &#)%s##/ #+$ &h 'i6hi%6 5+)& i%&+ ) 23 $L (+%i()- )s.0 A-- &h s)$"- is $)/ s,# h)s 5% &#)%s##/ 5* #isi%6 &h 5+)& 'i&h ) s$)-- )$+,%& + ')&# #+$ *+,# ')sh 5+&&-0 Th% ? $L + ')&# is )/// &+ )(h )s. )%/ s'i#-/ s+-,&i+% is #i%s/ +% &h si/ ')--s + &h )s. 'i&h /is&i--/ ')� ?0 A 3 $L 5,#&& is #i%s/ )%/ =--/ 'i&h &h N)OH s+-,&i+% &h)& 'ish/ &+ s&)%/)#/i>0 B #* ()#,--* 'i&h )i# 5,55-s s"(i)--* )& &h &i" + &h 5,#&&0 Th )i# 5,55-s is #$+/ 5+# )/,s&i%6 &h i%i&i)+-,$ )%/ /i/ &h &i&#)&i+% "#+(ss0 O% ;,i(. s&#+. /+'%')#/ is $)/ 56i%%i%6 )& &h s&+"(+(. )%/ %/i%6 i% &h )i# 5*+%/ &h 5,#&& &i" i% +#/# &+ #$+ &h )i# 5,55-0 Di/ %+& ')s& &i$ &#*i%6 &+ hi& 3033 'i&h &h $%is(,s +# &h s&)#&i%6 "+i%&0 R)&h# '%& ) ' /#+"s 5-+' &h >#+ $)#. )%/ #)/ )%/ &h )(&,)- s&)#&i%6 +-,$ is #(+#// &+ &h %)#s& 30332 $L0 A%* )/h#i%6 s+-,&i+% is 'i"/ )& &h si/s )%/ &i" + &h 5,#&& 'i&h &h -)5+#)&+#* &iss, 5+# 56,% &h &i&#)&i+%0
40 Th# /#+"s + "h%+-"h&h)-i% i%/i()&+# is )/// &+ &h =#s& KHP s+-,&i+%0 Th )s. is "-)(/ ,%/# &h 5,#&& )%/ &h 5,#&& &i" is -+'#/ '-- i%&+ i& 0 F+# &h =#s& &i&#)&i+% i& ')s )-')*s )/is)5- &+ s,(. ," 'i&h ) (-)% "+-*&h*-% /#+""# ) G&i&#)&i+% &hi’ )5+,& 1 $L + &h )s. (+%&%&s &h /#+""# is -)/ i% &h )s.0 I% ()s ' +#sh+& &h =#s& &i&#)&i+% h)i%6 %+& s,# + &h (+-+,# )& &h %/ "+i%& &his ()% 5 ,s/ )s ) "#(),&i+% $)s,#0 A "i( + 'hi& &i- is "-)(/ ,%/# )s. &h )s. is h+-/ )%/ &i-&/ s-i6h&-* &+ +% si6h& 'i&h *+,# #i6h& h)%/ +# ,s 'i&h &h #i6h& h)%// &h s&+"(+(. + &h 5,#&& is (+%&#+--/ 'i&h -& h)%/ )%/ &h &i&#)&i+% is s&)#&/ 5* ()#,--* &,#%i%6 &h s&+"(+(. &+ -& ) 6%&- 5,& s&)/* s&#)$ + 5)s +' i%&+ &h "++-/ )(i/ s+-,&i+%0 Th s+-,&i+% is s'i#-/ 6%&-* i% &h )s.0 Th 5)s ()% 5 )/// )i#-* ;,i(.-* )& =#s& 5,& +% &h #6i+% ')s (+%(%&#)&/ 'h# &h &'+ s+-,&i+%s $i!/ i% &h )s. )%/ &h "i%. (+-+,# 'hi(h +#$/ &h# 56,% &+ -i%6# )s ' s'i#-/ &h )s. &h +' #)& is #/,(/ #+$ &h 5,#&&0 Th s+-,&i+% i% &h (+%i()- )s. ')s =#s& &,#%/ i%&+ ) "#$)%%& )i%& "i%. &h s&+"(+(. is (-+s/ )%/ &h (+%&%&s + &h G &i&#)&i+% &hi is #$+/ i%&+ &h )s.0 N+' &h "i%. (+-+,# is /is)"")#/0 Wh% i& /+s %+& ' h)/ +#sh+& &h i%i&i)- 5)s )//i&i+% )%/ &h &i&#)&i+% $,s& 5 /is()#//0 Wh% &h s+-,&i+% '%& (+-+,#-ss &h /#+""# is #i%s/ 'i&h &h s+-,&i+% i% &h )s. s#)- &i$s &+ $). s,# &h)& *+, h) #$+/ )-- &h KHP +,& + i& )%/ &h% i& &++. +,& #+$ &h (+%i()- )s.0 Th si/s + &h )s. is ')sh/ /+'% 'i&h /is&i--/ ')&# )%/ &h% )//i%6 + 5)s is (+%&i%,/ #+$ &h 5,#&& 5,& &his &i$ /#+" is )/// 'is-*0 Wh% &h %/ "+i%& is )""#+)(h/ &h "i%. (+-+,# is /is)"")#0 Th ')--s + &h )s. sh+,-/ 5 ')sh/ /+'% #+$ &i$ &+ &i$ s+ )s &+ #(+# )%* #)6%& /#+"s #+$ (-i%6i%6 &+ &h si/s0 Th )s. is s'i#-/ )&# )(h /#+" +# ) /#+" )//i&i+% + s+-,&i+% i% &h 5,#&&0 A /#+" is )/// 5* (+%&#+--i%6 )%/ s-+'-* +"%/ &h s&+"(+(. ,%&i- ) /#+" +#$s )& &h &i"0 This /#+" is ')sh/ i%&+ &h )s. +# &h 12 /#+" is &+,(h/ &+ &h ')-- + &h )s. )%/ s"#)*/ 'i&h /is&i--/ ')� A//i%6 + N)OH is s&+""/ 'h% &h %&i# )s. h)s ) )i%& "i%. (+-+,# &h)& "#sis&s +# )& -)s& 23 s(+%/s0 Wh% ' %+& s,# + &h (+-+,# )& &h (+-+,# )& &h %/ "+i%& ' 'ish/ &+ #(+#/ &h 5,#&& +-,$ + s#)- s,((ssi /#+"s )s ' h)/ )""#+)(h/ &h %/ "+i%&0 B* &his ')* ' (+,-/ 5 s,# &h)& ' )# %+& #* )# #+$ &h )(&,)- %/ "+i%&0 Th =%)- 5,#&& #)/i%6 is #(+#// &+ &h %)#s& 3032 $L 0 Th 5,#&& is #=--/ )%/ &i&#)&/ si$i-)#-* &h #$)i%i%6 &'+ KHP s)$"-s0
8C9 A%)-*sis + &h U%.%+'% i%6)# s+-,&i+%
10 Th /%si&* + &h i%6)# s)$"- is /&#$i%/ =#s&0 Th% 43 $L + &h ,%.%+'% i%6)# s)$"- is +5&)i%/ i% (-)% /#* 3 $L 5).#0 20 1303 $L i%6)# s)$"- is "i"&&/ i%&+ (-)% 23 $L (+%i()- )s.0 T'+ $+# s,(h s)$"-s is "#")#/0 Th si/s + )(h )s. is ')sh/ /+'% 'i&h 2 $L ')&# #+$ *+,# ')sh 5+&&-0 ?0 Th# /#+"s + "h%+-"h&h)-i% is )/// &+ +% + &h &i&#)&i+% ss-s )%/ &i&#)& &h (+%&%&s &+ %/ "+i%& 'i&h *+,# s&)%/)#/i>/ N)OH s+-,&i+%0 A &i&#)&i+% &hi '+,-/ "#+5)5-* 5 )/is)5- +# )& -)s& &h =#s& &i&#)&i+%0 Th "#+(ss is #")&/ +# &h +&h# &'+ s)$"-s0 I/)--* &h #)%6 + &h #"-i()& &i&#)&i+% +-,$s $,s& 5 +%-* +% +# &'+ /#+"s +# )5+,& 302 $L &h $+s&0
C-)%," : A%* #$)i%i%6 s+-,&i+% is /#)i%/ #+$ &h 5,#&&0 Th 5,#&& ')sh/ 'i&h &h &)" ')� Th% &h s&+"(+(. is -)i%6 +"%/ &h i%#&/ 5,#&& is #&,#%/ &+ &h 5,#&& (-)$"0 A-- &h +&h# 6-)ss ')#s ,s/ is ')sh )%/ (-)% )%/ is "-)(/ i% &hi# s&+#)6 -+()&i+%0 W+#.i%6 5%(h +< )%* $ss )%/ s"i--s is 'i"/0
Res$(ts :
A0 P#")#)&i+% + &h S+/i,$ H*/#+!i/ S+-,&i+% +-,$ + N)OH &).% #+$ &h s&+(. 103 $L
B0 S&)%/)#/is)&i+% + &h B)s )6)i%s& P+&)ssi,$ H*/#+6% Ph&h)-)& Wi6h& + KHP Fi%)- +-,$ + N)OH 8$L9 I%i&i)- +-,$ + N)OH 8$L9 +-,$ + N)OH 8$L9 ,s/ R)&i+ +-,$ + N)OH'i6h& +
1 1033 ?013
2 10312 ?013
? 103324 2033
3033
3033
3033
?013
?013
2033
?0@@@
?0
2@0?1
KHP
C0 A%)-*sis + &h U%.%+'% A(&i( A(i/ S+-,&i+% +-,$ + &h U%.%+'% A(&i( A(i/ 8$L9 Fi%)- +-,$ + s&)%/)#/ N)OH 8$L9 I%i&i)- +-,$ + s&)%/)#/ N)OH 8$L9 +-,$ + s&)%/)#/ N)OH 8$L9 ,s/
1 13033
2 13033
? 13033
1033
40?3
4033
3033
3033
3033
1033
40?3
4033
Ca(c$(ati"!*A!a('sis :
8A9 P#")#)&i+% + &h S+/i,$ H*/#+!i/ S+-,&i+% M)ss + $"&* 3 $L 5).# 20?@23 6 M)ss + 3 $L 5).# 13 $L N)OH s+-,&i+% 04? 6 M)ss + 13 $L N)OH 1?021 6
D%si&* + N)OH $)ss 869 +-,$ 8$L9 1?021 6 13 $L 10?21 6$L
MN)OH 83 6133 6 9Q81 $+- N)OH?0 6$L 19Q810?21 61 $L9Q81333 $L1 L9 10@1 M
+-,$ + N)OH #;,i#/ M11 M22 10@1 MQ1 302Q1333 $L 1 103 $L 8B9 S&)%/)#/is)&i+% + &h B)s )6)i%s& P+&)ssi,$ H*/#+6% Ph&h)-)& 8KHP9 MN)OH 302 M M+-)#i&* + N)OH s+-,&i+% F-)s. 1 : M 402Q13? $+-303?1 L 301?4 $+- L1 F-)s. 2 : M 401Q13 ? $+-303?1 L 301? $+- L1 F-)s. ? : M 4013Q13 ? $+-30323 L 301? $+- L1
A#)6 M+-)#i&* N)OH 8301?4 301? 301? 9Q$+- L1 ? 3014@ $+- L1 37 (+%=/%( i%&#)- 831339Q3014@ 301??32 C)-(,-)&i+% +# 'i6h&"#(%&)6 + )(&i( )(i/ 19
M11 M22 M18?9 8301??329Q810339 M1 301?@ M $+- % 301?@ MQ303? L
0@?Q13? $+M)ss + )(&i( )(i/ 80@?Q13? $+-9Q3 30433 6 78''9 830433 643 69Q133 1032 7
29 M11 M22 M18?9 8301??329Q840?39 M1 301@4 M $+- % 301@4 MQ303? L 0Q13? $+M)ss + )(&i( )(i/ 80Q13? $+-9Q3 30?? 6 78''9 830?? 643 69Q133 30@4 7 ?9
M11 M22 M18?9 8301??329Q840339 M1 301@2 M $+- % 301@2 MQ303? L 01Q13? $+-
M)ss + )(&i( )(i/ 801Q13? $+-9Q3 30?13 6 78''9 830?13 643 69Q133 30 7
A#)6 )-, + 78''9 81032 30@4 309? 30??
37 (+%=/%( i%&#)- )(&i( )(i/ 831339Q30?? 30@?
8C9 A%)-*sis + &h U%.%+'% A(&i( A(i/ s+-,&i+% M)ss + $"&* 3 $L 5).# 201 6 M)ss + 3 $L 5).# 13 $L i%6)# @033 6 M)ss + i%6)# ?01@ 6
D%si&* + i%6)# $)ss+-,$8$L9 8?01@ 643 $L9 3034 6 $L1 $+- N)OH 8M13339 810@1Q4091333 30@2 $+ M+-)#i&* + )(&i( )(i/ 30313 L N)OH Q830@2 $+- N)OH1 L9Q81 $+- HC 2H?O21 $+N)OH9Q813031333 L9 4023@ M HC 2H?O2
Disc$ssi"! :
I% &his !"#i$%& &h# )# s#)- ##+# &h)& ' h) +,%/0 Th +-,$ + N)OH ,s/ +# &h &#i)- ')s &++ hi6h )%/ i& #s,-&i%6 i% )% i%(+##(&-* hi6h ()-(,-)&/ $+-)#i&* + )(&i( )(i/0 A%+&h# "+ssi5- s+,#( + ##+# '+,-/ 5 -+si%6 s+$ +-,$ + i%6)# 'h% &#)%s##i%6 &h s+-,&i+% #+$ &h "i"& &+ (+%i()- )s.0 Th -+'# +-,$ + )(&i( )(i/ 'i-- )<(& #s,-& i% ) -+'# +-,$ + N)OH %// &+ &i&#)& i& i% /&#$i%i%6 "h%+-"h&h)-i% %/ "+i%&0 S+ ' h) &+ )ss,$i%6 &h +-,$ + i%6)# &#)%s##/ s&i-- &+ 5 13033 $L0 Th #s,-& +# ()-(,-)&/ $+-)# (+%(%&#)&i+% + )(&i( )(i/ 5 i%(+##(&-* -+'0
C"!c($si"! :
I% &his !"#i$%& &h 37 (+%=/%( i%&#)- +# &h M+-)#i&* is 301??32 )%/ &h 37 (+%=/%( i%&#)- +# )(&i( )(i/ is 30@? 0
Re+ere!ces :
19 HARIS L0 A%)-*&i()- Ch$is&#* "#i%(i"- )%/ &(h%i;,s 1@
,$esti"!s :
10 I *+, ')%& &+ 6& )((,#)& 'i6h& +# s+$ i&$0 Fi#s& *+, sh+,-/ 'i6h& &h )% $"&* (+%&)i%# *+, ')%& &+ ",& i&$ 1 s& #(+#/0 Th% ",& +% i&$ i% (+%&)i%# )%/ 'i6h& )6)i% 2 %/#(+#/0 S+ *+, ()% 6& )((,#)& 'i6h& +# i&$ 5* s,5&#)(&s &h 2 %/#(+#/ &+ 1s&#(+#/0
20 Th ()-(,-)&i+% )# 5)s/ +% &h +-,$ + )(i/ 'hi(h )# ",& i% &h )s. 5+# /i-,&/ i&0 S+ *+, ()% 6& si$i-)# %,$5# + $+- + )(i/ 5+# )%/ )&# )//i%6 &h ')�
