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UNIVERSIDADE ESTADUAL DO SUDOESTE DA BAHIA - UESB

DEPARTAMENTO DE QUMICA E EXATAS- DQE

DISCIPLINA: MTODOS DE SEPARAO

DOCENTE:

DISCENTES: Henriqe Tei!eir"# $%&&i'" R()ri*e E+"ne," M(".

PRTICA 01EXTRAO LQUIDO-LQUIDO DO CIDO BENZICO

$eqi%-B"

/012

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1. INTRODUO

A e!r"34( ,5qi)(-,5qi)( % +" %'ni'" e qe +" &(,34( 6&",+ene "q(&"7 % 8(&" e+

'(n"( '(+ + &e*n)( &(,9ene 6&",+ene (r*ni'(7# e&&en'i",+ene i+i&'59ei& '(+ (

8ri+eir( &(,9ene. A& &e8"r"3;e& qe &e 8()e+ 8i)"& e'(n9eniene&. E+ +i(& '"&(& " &e8"r"34( 8()e &er eri( 'i)( (r*ni'( e+

&(,34( "q(&" i,i="n)( %er e5,i'( Deer+in"r ( '(e

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K. MATERIAIS E REAENTES

K.1 - Re"*ene&

S(,34( )e N"OH 0#01 +(,JL Hi)r(*en(&&i( en(,'i)( ?en=(i'( 0#01 +(,JL.

K./ @ M"eri"i&

Bre" )e / +L Er,en+eer& ni& )e &e8"r"34( S8(re ni9er&",# *"rr" e "ne, B","n3" "n",5i'".

2. PROCEDIMENTO EXPERIMENTAL

Parte I: P")r(ni="34( )" &(,34( )e N"OH.

". Pre8"r(-&e +" &(,34( )e N"OH '(+ '(n'enr"34( )e "8r(!i+")"+ene 0#01

+(,JL.?. L"9(-&e ( ineri(r )+" ?re" '(+ + 8('( )e &(,34( )e N"OH e# "8& 'i)( ?en=(i'(.

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". Tr"n&'i)( ?en=(i'( 0#01 +(,JL 8"r" + er,en+eer

)e 0#00 +L. A)i'i(n(-&e 10#00 +L )e >*"# K *("& )e in)i'")(r e i,(-&e '(+

+" &(,34( 8")r(ni=")" )e N"OH 6&(,34( "neri(r+ene 8")r(ni=")"7.?. Re8ei-&e ( en&"i( K 9e=e& "'i)( ?en=(i'( e

K0 +L )e %er e5,i'( 8"r" ( 'i)( n"

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0#01 +(,JL

m

204,22 g

molx 0,015L +

0# 0K0 *

A +"&&" en'(nr")"# % " +"&&" )e N"OH qe

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CN"OH! VN"OHm

MM

CN"OH ! 1K#/0 ! 10-KL 0,0309 g204,22 g/mol

CN"OH 0# 0112 +(,JL

6On)e +1# +/e +K&4( "& +"&&"& re"i& 8e&")"& 8"r" '")" 8")r(ni="34(7

A( 'i)( ?en=(i'( (?i9e+(& (& &e*ine& re&,")(&:

Ca!"#!a$%& a "&$"e$tra'(& ,$,",a! %e ;",%&

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V&!#/e %e NaO) a%,",&$a%& 11 30 /L

C1V1 C/V/

C1 0,01207

mol

L x11,80mL

10,0mL

C1 0#012/2 +(,JL

V&!#/e %e NaO) a%,",&$a%& 15 50 /L

C1V1 C/V/

C1 0,01207

mol

L x12,20mL

10,0mL

C1 0#01/0 +(,JL

Tir"n)( " +%)i" )"& '(n'enr"3;e e+(&:

x 0,01498+0,01424+0,01472

3

x 0#012 +(,JL

C&$"e$tra'(& ,$,",a! %& ;",%& 'i)( ?en=(i'(# "+?(& n( & n( +ei( @ 8)e-&e en4( )eer+in"r "

'(n'enr"34(# )e >'i)( ?en=(i'(# n" ",5q(" )e 10 +, i,")". O 8r('e)i+en( 9e, qe# n" &e8"r"34( )"

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reir"r ( 9(,+e (", )e +" )"&

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C1 0,01207

mol

L x1,10mL

9,00mL

C1 1# 2!10-K+(,JL

P(r

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Parte IV. Ne&e 8r('e)i+en(# '(+ +" "?(r)"*e+ )i

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P(r

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A( *"J%er e5,i'( )e&e >'i)( ne&"& '(n)i3;e&.

. REERYNCIAS BIBLIORZICAS

1. .H. $EER[# $. BASSETT# $. MENDHAM# R. C. DENNE[ TF"+e&P(,e''Fni'# \((,]i'F# L(n)re SE1 P# In*,"err" A*(&(& )e 1.

S^OO# A# D. M. \e& e . $. H(,er# n)"+en(& )e Q5+i'" An",5i'"# _ E).#