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Unidad Química de Masa (UMA)

Authored by oscar cevallos

Science, Chemistry

8th - 10th Grade

Used 8+ times

Unidad Química de Masa (UMA)
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9 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Identifica el elemento con mayor Masa Atómica

(Usar tabla periódica)

H

Co

Br

U

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

¿Qué compuesto químico tendrá mayor masa atómica?

H = 1, C = 12, O = 16, S = 32, Cl = 35.5 y Ca= 40,

CO2CO_2  

HClHCl  

CaCO3CaCO_3  

H2SO4H_2SO_4  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

¿Cuál es el Peso atómico de Fe2O3Fe_2O_3  ?

PA: O = 16 y Fe = 56

140 uma

168 uma

150 uma

160 uma

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calcula de diferencia entre los pesos moleculares de:

SO3  y  HBrO2SO_3\ \ y\ \ HBrO_2  

PA : H = 1, O = 16, S= 32 y Br = 80

30

33

35

37

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

¿Cuál será el peso de 4 moles de CO2CO_2  ?

PA : C = 12 y O = 16

146 g

156 g

160 g

176 g

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

¿Cuál es la cantidad de sustancia que posee un número de Avogadro?

Una Masa

Un Mili mol

Una Mol

Una uma

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Constante o número de Avogadro (NA)

6,022 x 1023

6,022 x 10-23

6022 x 1023

6032 x 10-23

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