
Molaridad y molalidad
Authored by José Torre
Chemistry
University
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15 questions
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1.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
¿qué tienen en común las fórmulas que permiten calcular molaridad y molalidad?
2.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Se prepara una disolución acuosa de NaOH (hidróxido de sodio) para destrancar el desagüe del baño. Se disuelven 15 g de NaOH en 500 ml de agua. Para aplicar la fórmula de molalidad, que debes hacer con los mL de agua?
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se tiene una solución 25 m. ¿qué significa esa concentración?
25 moles soluto en 1 kg de solvente
25 moles de soluto en 1 L de solvente
25 moles de soluto en 1000 mL
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Los moles del soluto por kilogramos de solvente representan:
Molalidad
Molaridad
Normalidad
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Las unidades químicas que necesitan el cálculo del número de moles son:
Moladlidad y Normalidad
Moladidad y Molaridad
Moralidad y Normalidad
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuántos moles existen en 25 g de H2SO4 ?
0.29 moles
0.26 moles
0.28 moles
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Si tengo 5M en 1 litro de solución, ¿de cuántos moles de soluto estamos hablando?
5
1
0.2
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