
Metodos gravimetricos
Authored by Angelica López
Chemistry
University
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el objetivo general los metodos gravimétricos?
caracterizar los métodos
analíticos de mayor importancia la aplicación en las Ciencias agropecuarias el área agroindustrial
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En qué se basan los métodos gravimétricos
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuáles son las acciones generales que involucra los métodos gravimétricos
Peso inicial de la muestra, Peso final de una sustancia
que contiene el analito en
forma de precipitado, se
volatiliza o produce
un residuo
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cómo se clasifican los métodos gravimétricos
Métodos directos, Métodos indirectos
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qué características deben cumplir los precipitados en los métodos gravimétricos por precipitación
baja solubilidad, alta pureza, alta filtrabilidad, composicion quimica definida.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuáles son las características que debe de tener un buen agente precipitante
Sales insolubles para disminuir las pérdidas durante el lavado, reaccionar selectivamente con el analito, formar una precipitación fácil de filtrar y
lavar, no reaccionar con los componentes atmosféricos, tener una composición química conocida
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuáles son las desventajas de los métodos gravimétricos
Métodos tediosos, requieren personal entrenado.
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