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DATOS
Erlenmeyer
#1
#2
#3
#4
#5
#6
Peso erlenmeyer (gr)
124.5465
123.2603
124.4660
123.5880
120.1998
125.7312
Peso erlen+Carbón(gr)
125.0460
123.7530
124.9700
124.8850
120.6959
123.2270
Vol CH3COOH (ml)
50
25
12.5
6.25
3.25
1.625
[CH3COOH] (N)
0.05
0.025
0.0125
0.00625
0.00325
0.001625
Volumen filtrado (ml)
25
25
25
25
25
25
Volumen NaOH (ml)
14.7
7.5
3
1.9
0.6
0.8
CÁLCULOS Y RESULTADOS
Masa de carbón
Peso erlenmeyer (gr)
Peso elen. + Carbón (gr)
Peso carbón
124.5465
125.0460
0.4995
123.2603
123.7530
0.4927
124.4660
124.9700
0.5040
123.5880
124.8850
1.2970
120.1998
120.6959
0.4961
125.7312
126.2270
0.4958
Ceq
N2=N1*V1/V2
Erlenmeyer
[NaOH]
Vol NaOH
Vol [CH3COOH]
[CH3COOH] Ceq
1
0.0769
14.5
25
0.044602
2
0.0769
7.5
25
0.02307
3
0.0769
3
25
0.009228
4
0.0769
1.9
25
0.0058444
5
0.0769
0.6
25
0.0018456
6
0.0769
0.8
25
0.0024608
Cantidad de CH 3 COOH absorbido:
Erlenmeyer
Moles(N*0.025L)
Masa ácido absorbido(n*60gr/n)
1
0.00111505
0.066903
2
0.00057675
0.034605
3
0.0002307
0.013842
4
0.00014611
0.0087666
5
0.00004614
0.0027684
6
0.00006152
0.0036912
TOTAL
0.00217627
En 98,625ml:
Vol [CH3COOH]
50
25
12.5
6.25
3.25
1.625
Vol total: 98.625 moles totales: 0.00217627
0.00217627n * 60gr/n = 0.1305762gr
(x/m):
Erlenmeyer
masa de ácido
masa de carbón
x/m (m ácido/m carbón)
1
0.066903
0.4995
0.13393994
2
0.034605
0.4927
0.07023544
3
0.013842
0.504
0.02746429
4
0.0087666
1.297
0.00675914
5
0.0027684
0.4961
0.00558033
6
0.0036912
0.4958
0.00744494
Erlenmeyer
[CH3COOH] Ceq
x/m (mácido/mcarbón)
Log (x/m)
Log Ceq
Ceq/(x/m)
1
0.044602
0.13393994
-0.8730899
-1.35064567
0.333
2
0.02307
0.07023544
-1.15344369
-1.63695241
0.32846665
3
0.009228
0.02746429
-1.56123162
-2.03489241
0.33599995
4
0.0058444
0.00675914
-2.17010856
-2.23326007
0.86466621
5
0.0018456
0.00558033
-2.25334012
-2.73386242
0.33073313
6
0.0024608
0.00744494
-2.1281388
-2.60892368
0.33053322
RESPUESTAS AL CUESTIONARIO
Explicar tres usos prácticos de la adsorción de un soluto líquido o gaseoso sobre un adsorbente.
El fenómeno de adsorción es aprovechado en procesos de purificación de líquidos y gases, por ejemplo en la limpieza de aguas, ya que el adsorbente (carbón activado) atrapa impurezas que se quieren eliminar del agua.
A nivel industrial, la adsorción es aprovechada para remover colores de las aguas.
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Enviado por: Andrés Restrepo Idioma: castellanoPaís: Colombia