UNIDADES FÍSICAS Y QUÍMICAS
Quiz
•
Chemistry
•
University
•
Medium
Benjamin Gonzales
Used 1+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Prepare 250 ml de Solución de Carbonato de potasio 3 Molar indique que cantidad de reactivo se necesitara pesar si su peso atómico son K=39 C=12 0=16
74,5 g
148,5 g
99 g
49,5 g
2.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Prepare 800 g de solución al 2% m/m de Cloruro niqueloso.
8 g
24 g
16 g
4 g
3.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Si tengo 10 g de Cloruro de calcio con 190 ml de H20, calcular el %m/m
1 % m/m
2,5 % m/m
5% m/m
10% m/m
4.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Prepare 50 ml de Solución 4500 ppm de Sulfato de cadmio
225 g
225 mg
450 mg
450 g
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Transformar 10 Molar de Cloruro de aluminio a Normal
10 Normal
15 Normal
20 Normal
30 Normal
6.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Transformar 10% m/v de Cloruro de zinc a Molar, Peso atómico Zn= 65 Cl=35,5
0,735 M
10 M
1,4 M
2,1 M
7.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Se tiene una solución de 6 Normal de Sulfato de sodio, transformar a Molar
3 Molar
2 Molar
6 Molar
1 Molar
8.
MULTIPLE CHOICE QUESTION
3 mins • 15 pts
Se tiene una solución de Nitrato de zinc 0,5 molal con una densidad 1,25 g/ml, realizar la transformación a Molaridad pesos N=14 Zn=65 O=16
0,587 M
0,5 M
1 M
1,16 M
9.
MULTIPLE CHOICE QUESTION
3 mins • 15 pts
Se tiene una solución de Ortofosfato de zinc de concentración 5000 ppm, transformar a Normal pesos atómicos Zn= 65 P=31 O=16
0,038 N
0,012 N
0,045 N
5 N
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