informe-5-química general unmsm

8/18/2019 informe-5-química general UNMSM

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[E.A.P. INGENIERÍA TEXTIL Y CONFECCIONES QUÍMICA GENERAL

FACULTAD DE INGENIERIA INDUSTRIAL

E.A.P ING. TEXTIL Y CONFECCIONES

UNMSMLABORATORIO DE QUÍMICA GENERAL

GRUPO: N° 3 DIA: HORA: 10:00 a.m.

N° PRÁCTICA: 5

NOMBRE DE PRACTICA: DETERMINACION DE LA MASA EQUIVALENTE

PROFESORA: ISABEL RAMIREZ

FECHA DE ENTREGA: 02/0/1!

La"#$a%#$ '( Q)*m&+a G(,($a- &,a 1


2/16


ÍNDICE

Intr!"##$%n&&&&&&&&&&&&&&&&&&&&&..&P'(.)

O*+,t$-&&&&&&&&&&&&&&&&&&&&&&&&P'(./

Pr$n#$0$ t,%r$#.&&&..&&&&&&&&&&&&&&&..P'(.1

M2t,r$23, 4 r,2#t$-&&&&&&&&&&&&&&&&&&

P'(.5Pr#,!$6$,nt&&&&&&&&&&&&&&&&&&&&&.P'(.7

D$#"$%n !, 3 r,"3t2!&&&&&&..&&&&&&&&&P'(.8

Cn#3"$n,&&&&&&&&&&&&&&&&&&&&&&.P'

(.99C",t$n2r$&&&&&&&&&&&&&&&&&&&&&&.P'(.9

B$*3$(r2;


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INTRODUCCION

La maa ()&a-(,%( ( ), 4(# (%,'a$ '( +#m"&,a+&, )(

4($m&%( '(%($m&,a$ -a +a4a+&'a' '( +#m"&,a+&, '( -a maa'( '&6($(,%( (-(m(,%# )*m&+#.a$a 4#'($ '(%($m&,a$ -a maa ()&a-(,%( ( %#ma +#m#$(6($(,+&a -# &)&(,%(7 +#m#: -a +a,%&'a' (, 4(# '( ),a)%a,+&a )( ( -&"($a.La maa ()&a-(,%( ( 4)('( '(%($m&,a$ '( 6#$ma(84($&m(,%a- 9 4)('( ($ 4#$:

D(%($m&,a+&, '&$(+%a. M%#'# a,a-*%&+#.

#$ '(4-a;am&(,%# '(- a)a.

a$a '(%($m&,a$ -a maa ()&a-(,%( '(- ma,( ()%&-&;a$a -a %+,&+a '( '(4-a;am&(,%# '(- a)a.

OB=ETI>OS

La"#$a%#$ '( Q)*m&+a G(,($a- &,a 3


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• D(%($m&,a$ (- 4(# ()&a-(,%( '( -# (-(m(,%#7+#m4)(%# ( ,( (, -a '&($a $(a++,( )*m&+a.

• E,%(,'($ -a &m4#$%a,+&a '( -a -(9 '(- ()&a-(,%( )*m&+#+#m# .

La"#$a%#$ '( Q)*m&+a G(,($a- &,a !


5/16


Un$!2! !, 622 2t%6$#2 ?"62@: S( '(?,( +#m#),a maa (8a+%am(,%( &)a- a ), '#+(a# '( -a maa '( ),%#m# '( +a$"#,#@12. A- ?a$ -a maa '(- +a$"#,#@12 +#m#

12 )ma ( %&(,( (- %#m# )( ( )%&-&;a +#m# $(6($(,+&a 4a$am('&$ -a maa '( -# '(m (-(m(,%#.

N6,r !, A-(2!r: E- 63 ( -a +a,%&'a' '( ),a)%a,+&a )( +#,%&(,( %a,%a (,%&'a'( (-(m(,%a-( +#m#%#m# . E- a-#$

+#m,m(,%( a+(4%a'# (: N A=6.022137×1023

M22 632r ? ´ M @: S( '(?,( +#m# -a maa (, $am# #(, &-#$am# '( ), m#- '( ),&'a'( =+#m# %#m# #m#-+)-a> '( ),a )%a,+&a. ´ M =

cantidad de masa

N ° de moles

P, ,"$-23,nt,: S( '(?,( (,($a-m(,%( +#m#(,($a-m(,%( +#m# -a maa m#-a$ '( ),a )%a,+&a )( ('&&'( 4#$ (- ,m($# '( (-(+%$#,( %$a,6($&'# 4#$ '&+


6/16


Ba-a,;a

T)"# '( (,a9#

&,;a

$#"(%a '( 50# mL

C#,(+%#$ '( &'$

E4%)-a

T($mm(%$#

Ba-,

1 )(# '( %a4#,( B&


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L-(,a$ (- "a-, +#, a)a 9 +#-#+a$ (- %a4, '( ("("&


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A- ?,a- '( -a $(a++&,7 m('&$ (- #-)m(, '( a)a'(a-#a'a. L)(# m('&$ -a %(m4($a%)$a '(- a)a '(-"a-, 4a$a '(%($m&,a$ ) 4$(&, '( a4#$.

CÁLCULOS

P, !,3 M( (

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T,60,r2t"r2 !,3 2("2 ,n ,3*23%n

)°C 85

Pr,$%n !,3 -20r !, 2("2 9.9 66H(Pr,$%n *2r6tr$#2 715 66H(

Pr,$%n !, (2 ,# 7)/.8>3"6,n !, H -3"6,n !,2("2 !,23+2!2

97.7 6L

Pr,$%n 2 C.N P 75 66H(T,60,r2t"r2 2 C.N T °C 7) >3"6,n !, H 2 C.N.>?PP@?TT@>

./) 6L

CÁLCULO DE LA MASA EQUI>ALENTESa"(m# )( -a maa ()&a-(,%( '( ), m(%a- ( -a maa '((%( +a4a; '( (,($a$ 1700 '( OE- a-#$ %($&+# '(- M H12715

La"#$a%#$ '( Q)*m&+a G(,($a- &,a

M => J2C- =a+> @@@@@@@@@@@@@@@MC-2 =a+> J 2 =>

0.20 0.!3mL

K1120FmL

K H 5212.5 =4(# ()&a-(,%(>

JErrr( valor teórico−valorexperimental )

valor teorico 9J


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J,rrr 12.15−5212.5

5212.5 9JK88.75 J

=E- $()-%a'# ( ,(a%&# 4#$)( (- a-#$ (84($&m(,%a- (%(, (8+(# $(4(+%# '(- a-#$ %($&+#7 4#$ (,'( ( ma9#$>.

CONCLUSIONES

La maa ()&a-(,%( '(4(,'( '( ma9#$m(,%( '( -aa-(,+&a7 9 (%a a$&a '(- %&4# '( +#m4)(%# )*m&+#.La maa ()&a-(,%( ,# 4#(( '&m(,,( =# ma,&%)'>4#$ (--# ( )( ( ) (- %$m&,# '( ()&a-(,%( $am#.

La"#$a%#$ '( Q)*m&+a G(,($a- &,a 10


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E- +#m4#$%am&(,%# '( a &'(a- ( --(a a +a"# (,&%(ma +($$a'# '#,'( ,# &,%($a+%( +#, (- a&$( '(-(8%($$. La 4$)("a '(- a C- .@ U,a m#- '( +&'# +-#$


12/16


N ( H =10>/ =!0 /(>H 0.25 (

+> NaC-.@ U,a m#- '( +-#$)$# '( #' 4$#')+( ),a m#- '(

,( '( #' )( ()&a-( a ), ()&a-(,%( $am#7(,%#,+( -a maa ()&a-(,%( $am# '(- +-#$)$# '( #' (:

M( H =5.5/m#->/=1 (/m#-> H 5.5 /(

N ( H =10>/ =5.5 /(>H 0.1F (

'>CaC-2 .@ U,a m#- '( +-#$)$# '( +a-+ 4$#')+( '# m#-( '(,( +a-+ )( ()&a-( a '# ()&a-(,%( $am#7 (,%#,+(-a maa ()&a-(,%( $am# '(- +-#$)$# '( +a-+ (:

M( H =110/m#->/ =2 (/m#-> H 55 /(

N ( H =10>/ =55 /(>H 0.1 (

(>2SO! a =SO!>@ .@ U,a m#- '( +&'# )-6$&+# 4$#')+( ),am#- '( a,&, )-6a%# )( ()&a-( a ), ()&a-(,%( $am#7(,%#,+( -a maa ()&a-(,%( $am# '(- +&'# )-6$&+# (:

M( H =/m#->/ =1 (/m#-> H /E =>

N ( H =10>/= /(>H 0.10 E=>

6>2SO! a =SO!>2@ .@ U,a m#- '( +&'# )-6$&+# 4$#')+( '#m#-( '( )-6a%# )( ()&a-( a '# ()&a-(,%( $am#7(,%#,+( -a maa ()&a-(,%( $am# '(- +&'# )-6$&+# (:

M( H = /m#->/ =2 (/m#-> H ! /(

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13/16


N ( H =10>/ =! /(>H 0.20 (

>2O a 2 .@ U,a m#- '( a)a 4$#')+( '# m#-( '(


14/16


E, -a $(a++&,:

C- JZ, Z,C-J2

E-


15/16


/.KEn "n ,0,r$6,nt , (2t% .) ( !, "n 6,t23!$-23,nt, 4 !,0r,n!$% /) 6L !, H. C23#"32r 32 622,"$-23,nt, !,3 6,t23

U, m#- '( 7 )( ( ),m(%a- '&a-(,%(. La '&6($(,+&a (,%$( (- a-#$ #"%(,&'# 9 (- %($&+#4)('( '("($( a )( ,# $(a++, %#'# (- m(%a-7 &,# ),a

+a,%&'a' m(,#$ a 0730 .

1.KC"2n! ,3 n$tr2t !, 0t2$ , r,!"#, 2 26n$ ,n6,!$ '#$! !,t,r6$n, 32 622 ,"$-23,nt, !,3 n$tr2t !,0t2$:

=N5JO3> =N3@!>J1

N5J N3@

E8&%( #+


16/16


#$ -# %a,%# -a maa ()&a-(,%( '(- ,&%$a%# '( 4#%a (:

M(H(101g)(8g) H12.25(

5@ S$ /.( !, O ,# #"02 .L 2 CNPT. Q" -3"6,n#"02r

informe-5-química general unmsm

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