Disoluciones
Quiz
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Medium
Álvaro Pascual Sanz
Used 105+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Determina la concentración en g/l de una disolución de 8 g de sulfato de cobre en 500 ml de agua.
16 g/l
1,6 g/l
16 kg/cm3
32 g/l
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En el laboratorio se prepara una disolución disolviendo 25 g de azúcar en 375 g de agua ¿Cuál es la concentración de la disolución en % en masa?
62,6%
6,25%
626%
32%
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuántos gramos de ácido nítrico son necesarios para preparar 1,5L de disolución acuosa de de dícho ácido 0,6M? [H]=1, [N]=14, [O]=16
567g
0,567g
56,7g
56,7Kg
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
El ácido sulfúrico comercial tiene una densidad de 1,85g/cm3. Convierte esta unidad a g/l
1,850g/L
18,50g/L
1,85·103 g/L
1.85·10-3g/L
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se disuelven 20g de NaOH en agua resultando un volumen de disolución de 560mL. Calcula la molaridad.
Dato: Mm(NaOH) = 40u
0,89 M
0,089 mol/L
8,9M
8,9g/l
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
El soluto en una disolución, es el que está en
Menor cantidad
Mayor cantidad
Igual cantidad
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
El disolvente en una disolución, es el que está en
Menor cantidad
Mayor cantidad
Igual cantidad
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