Practica 6 Limitante.docx

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Universidad Nacional Autónoma de México Facultad de Química Laboratorio de Química General 2 Grupo: 9

Integrantes: Hernández Velázquez Alexis Nolasco Fuentes Erick Iván Ramos Mendoza Gilberto Alexis Vega Hernández Carmen

Profesora: Sarah Carolina González Pillado

20 de marzo del 2019

K2CO3 (ac) + CaCl2 (ac)  CaCO3

+ 2 KCl (ac) Sólido obtenido, CaCO3 MM = 100.08 g/mol

Reactivos (cantidad en mol) Tubo #

Reactivo A, K2CO3 (cantidad en mol) Teórico (Calculado)

Reactivo B, CaCl2 (cantidad en mol) Teórico (Calculado)

Masa en gramos de sólido obtenido Teórico

Cantidad en mol de sólido obtenido Teórico

1

0.005

0

0

0

2

0.005

0.001

0.10008

0.001

3

0.005

0.002

0.20016

0.002

4

0.005

0.003

0.30024

0.003

5

0.005

0.004

0.40032

0.004

6

0.005

0.005

0.5004

0.005

7

0.005

0.006

0.5004

0.005

8

0.005

0.007

0.5004

0.005

9

0.005

0.008

0.5004

0.005

10

0.005

0.009

0.5004

0.005

11

0.005

0.010

0.5004

0.005

5.0 𝑚𝑙 𝐾2 𝐶𝑂3 (

1 𝑚𝑜𝑙 𝑑𝑒 𝐾2 𝐶𝑂3 1000𝑚𝑙 1 𝑚𝑜𝐶𝑎𝐶𝑙2

1.0 𝑚𝑙 𝑑𝑒 𝐶𝑎𝐶𝑙2 (

1.0 𝑚𝑙 𝑑𝑒 𝐶𝑎𝐶𝑙2 (

1000𝑚𝑙 1𝑚𝑜𝑙𝐶𝑎𝐶𝑙2 1000𝑚𝑙

) = 0.005 𝑚𝑜𝑙 𝑑𝑒 𝐾2 𝐶𝑂3

) = 0.00 𝑚𝑜𝑙 𝑑𝑒 𝐶𝑎𝐶𝑙2 1 𝑚𝑜𝑙 𝑑𝑒 𝐶𝑎𝐶𝑂

100.08 𝑔 𝐶𝑎𝐶𝑂3

) ( 1 𝑚𝑜𝑙 𝑑𝑒 𝐶𝑎𝐶𝑙 3 ) (1 𝑚𝑜𝑙 𝑑𝑒 2

𝐶𝑎𝐶𝑂3

) = 0.10008 𝑔 𝐶𝑎𝐶𝑂3

Bibliografía  

Chang, R. & Goldsby, K. A. (2013) Química. Undécima Edición. México, D.F. McGrawHill Education. Brown, L. Theodore. (2004). Química la ciencia central (9ª ed.). Madrid, España: Pearson Educación.

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