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UNIDADES FÍSICAS Y QUÍMICAS

Authored by Benjamin Gonzales

Chemistry

University

Used 1+ times

UNIDADES FÍSICAS Y QUÍMICAS
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9 questions

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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

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