Concentraciones de Disoluciones
Quiz
•
Chemistry, Physics
•
10th Grade
•
Practice Problem
•
Medium
Lorenzo Mora
Used 120+ times
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20 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) 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
Calcular los gramos de una sustancia (soluto) que hay que pesar para preparar 200 mL de una disolución con una concentración de 10 g/L
20g
0.2g
200g
2g
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Queremos preparar 50 cm3 de disolución de sal común en agua, con una concentración de 5 g/L. ¿Qué cantidad de sal debemos disolver en agua?
0.4 g
0.02 g
1.25 g
0,25 g
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calcule la cantidad de disolución obtenida con 4 g de soluto si se desea una concentración de 20 %.
20 g
15 g
30 g
40 g
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