E6-ATQ

QUANTITATIVE DETERMINATION  OF OXALATE B Y  PERMANGANATE TITRATION  J.K.U Y 1 AND A.F.D. FIDELES2 1 DEPARTMENT OF   MINING METALLURGICAL  AND M ATERIALS ENGINEERING, COLLEGE OF  EPARTMENT OF  M ENGINEERING 2 EPARTMENT OF  F  OOD SCIENCE AND CIENCE  AND NUTRITION, COLLEGE OF  H DEPARTMENT OF   F OOD  HOME ECONOMICS UNIVERSITY OF  UNIVERSITY  OF THE THE PHILIPPINES, DILIMAN, QUEZON CITY , PHILIPPINES DATE PERFORMED: OCTOBER 16, 2014 INSTRUCTOR’S NAME: MARIEL CLORES

DISCUSSION What were the prea!t"#$% ta&e$ "$ prepar"$' the (M$O ) %#*!t"#$+ When exp!e" # !$n%&'h#, pe()*n'*n*#e "e+)p!e! # MnO 2 *n" O2 *++("&n' *++("&n' # #he %%-&n' +he)&+*% e.$*#&n:

2/MnO4

→

/ 2MnO4  MnO2  O2

Be+*$!e  #h&!, #he %&'h#! &n #he +%*!!() +%*!!() -e(e #$(ne"  # )&n&)&e &#! "e+)p!&#&n3 "e+)p!&#&n3 A%!, *n *)e( 5%$)e#(&+ *!7 -*! $!e" # !#p #he %&'h# () )*7&n' +n#*+# # #he !%$#&n3 The !%$#&n -*! p(ep*(e" n #he "*8  #he expe(&)en# # (e"$+e &#! "e+)p!&#&n3 I #he pe()*n'*n*#e pe()*n'*n*#e !%$#&n -e(e # e p(ep*(e" e(eh*n", &# &! (e+))en"e" #h*# #he !%$#&n e &%e" e(e !#(*'e3 What "% the %"'$"a$e #- the .*a$& t"trat"#$+  The p$(p!e  #he %*n7 #&#(*#&n #&#(*#&n &! # +((e+ +((e+## #he *)$n#  #&#(*n# #&#(*n# $!e"3  Th&! e((( e((( )*8 e +*$!e" +*$!e" 8 (e&'n (e&'n +)p$n"! +)p$n"! &n #he !%$#&n! !%$#&n! $!e" # "&!!%5e #he !#*n"*("3 What are the a/0a$ta'e% #- t"trat"#$ w"th a %e*-1"$/"at#r+ %e*-1"$/"at#r+ A #&#(*#&n +*((&e" $# -&#h * !e%9&n"&+*#( "e!n’# nee" *n &n"&+*#( *! #he n*)e !$''e!#!; e+*$!e #he #&#(*n# &#!e% )*n&e!#! * ph8!&+*% +h*n'e &n +%( #h*# +*n &n"&+*#e *n en"p&n#3 Be+*$!e  #h&!, * !ep*(*#e nee" n# # e p(ep*(e"3 A""&#&n*%%8, A""&#&n*%%8, !&n+e )!# &n"&+*#(! *(e e&#he( *!&+ ( *+&"&+, #he8 +*n +n#(&$#e e(((! &n p< -h&%e * #&#(*#&n -&#h * !e%9&n"&+*#( (e)5e! #h&! p!!&%e !$(+e  e(((3 What "% the "2p#rta$e #- .#"*"$' the (M$O ) %#*!t"#$ .e-#re "t "% %t#re/ -#r -!t!re !%e+ B&%&n' #he !%$#&n (e)5e! p!!&%e x&"&*%e (e*'en#! #h*# +)e () #he -*#e( $!e" # p(ep*(e #he !%$#&n3 The!e )*8 +n#*)&n*#e #he pe()*n'*n*#e !%$#&n 5e( #&)e !&n+e pe()*n'*n*#e &! * 5e(8 !#(n' x&"&&n' *'en#3 What "% the p!rp#%e #- heat"$' the #3a*ate 2"3t!re .e-#re t"trat"#$+  The (e*+#&n (e*+#&n e#-een x*%*#e x*%*#e *n" pe()*n'*n*#e pe()*n'*n*#e &n () () #e)pe(*#$(e #e)pe(*#$(e &! 5e(8 !%-3 Be+*$!e  #h&!, #he !%$#&n -*! he*#e" e(e h*n" # h*!#en #he (e*+#&n

*n" *5&" #&#(*#&n e(((3 A! !een &n #he expe(&)en#, e5en *#e( he*#&n' #he !%$#&n, #he =(!# p*(#  #he (e*+#&n -*! !#&%% (e%*#&5e%8 !%-3

What "% the rat"#$a*e .eh"$/ !%"$' H 4SO) t# a"/"-5 the a$a*5te 2"3t!re "$%tea/ #HC*+  The pe()*n'*n*#e +*n x&"&e #he +h%(&"e &n! ()