Porcentaje de Concentración

Quiz
•
Chemistry
•
11th Grade
•
Medium
Egenory Barrantes
Used 112+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Disolvemos 50 gramos de amoniaco NH3 en 490 gramos de agua . Calcula el porcentaje en masa de la disolución.
8,26 %
15 %
9,26 %
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Calcule el porcentaje en %(masa) si se tiene 50 g de soluto en 250 gr de disolución.
25 %
20 %
10 %
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Calcule la cantidad de disolución que se obtiene con 5 g de soluto y una concentración al 20 %.
25 g
1.25 g
20 g
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuántos gramos de soluto hay en 60 g de una disolución al 12 %?
7 g
9 g
5 g
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si una disolución acuosa de NaCl es 25% m/v, esto quiere decir que:
Existen 25 gramos de soluto por cada 100 gramos de disolución
Existen 25 gramos de soluto y 100 mL de disolución
Existen 25 gramos de solvente por cada 100 mL de disolución
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El soluto en una disolución, es el que está en
Menor cantidad
Mayor cantidad
Igual cantidad
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El disolvente en una disolución, es el que está en
Menor cantidad
Mayor cantidad
Igual cantidad
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