Unidades Químicas de Masa (UQM)
Quiz
•
Chemistry
•
9th Grade
•
Medium
Rosa AG
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La masa atómica es:
un peso
Un dato que se obtiene de la tabla periódica
Son elementos químicos
Es el cálculo de la masa molecular
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un mol es igual a:
6,022 x 1023 unidades
6,22 x 1022 unidades
0, 622 x 102 unidades
80 u.m.a
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En química, los cálculos se realizan con ... y no con pesos, puesto que el instrumento de medida que se utiliza es la ...
mas - pesos
balanza - pesos
masas - balanza
pesos - masas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En qué casos hallamos masa molecular:
CaO, Ni2O3
H2O , CO2 , NH3
H2O , CaO , NH3
H2CO3 , CO2 , Ni2O3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En que casos hallamos masa formular
C6H6, CH3COCH3
H2SO4, H2O
Ca(OH)2, CaCO3
H2O, C6H6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuánto es la masa formular de Ca(OH)2?
54 uma
74 uma
16 uma
5 uma
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la masa molecular de H2CO3?
32 uma
62 uma
24 uma
12 uma
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