
Concentraciones
Authored by Jorge Arizpe
Chemistry
12th Grade
Used 187+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se disuelven 15 gr de azucar en 65 gr de agua. Calcular el %(m/m) de la disolución.
18.75 %
20.30 %
15.15 %
22%
2.
MULTIPLE CHOICE QUESTION
5 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
5.25 %
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calcule el porcentaje en %(masa) si se tiene 50 g de soluto en 250 gr de disolución.
25 %
30 %
20 %
10 %
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calcule la cantidad de disolución que se obtiene con 5 g de soluto y una concentración al 20 %.
5 g
1.25 g
25 g
20 g
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuántos gramos de soluto hay en 60 g de una disolución al 12 %?
7.2 g
9 g
5 g
10 g
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿ Cuántos gramos de azúcar se deben disolver en 60 g de agua para tener una disolución al 25 %?
15 g de azúcar
30 g de azúcar
22 g de azúcar
20 g de azúcar
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se desea preparar 80 g de una disolución al 5% ¿Cuántos gramos de soluto se necesitan?
4 g
6 g
5 g
9 g
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