
Soluciones químicas
Authored by Paola Lopez Ulloa
Chemistry
9th Grade
Used 2+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Si se hace una solución de agua con refresco en polvo, este último sería
Soluto
Solvente
Solución
Ninguno
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se disuelven 12 g de sal (NaCl) en 200 g de agua. ¿Cuál será el % m/m de dicha disolución?
0.056g
6,5
5,6g
0.06
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
- Calcular la cantidad en g de NaOH sólidos necesarios para preparar 250 cc de solución al 12,5 % m/v
3,25 g de NaOH
31,25 g de NaOH
1,25 g de NaO
31 g de NaOH
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se preparó una solución disolviendo 35 g de de KI en 250 g de agua. Calcular la concentración expresada en % m/m.
2,28 % m/m.
12 % m/m.
1,28 % m/m.
12,28 % m/m.
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se desea preparar 500 g de solución de NaNO3 al 22 % m/m. Calcular los g de soluto y de agua necesarios para dicha preparación
110 g de NaNO3
0.110 g de NaNO3
210 g de NaNO3
0.10 g de NaNO3
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
El volumen necesario para preparar 800 mL de una solución hidroalcohólica al 5% es
No lo sé, profe ayudeme
0.4 mL
30 mL
40 mL
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En el porcentaje masa volumen
El soluto esta en L y el solvente en g
El solvente esta en L y el soluto en g
El solvente y el soluto están en g
El solvente y el soluto están en L
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