masa molecular y composición porcentual
Quiz
•
Architecture, Performing Arts, Religious Studies
•
1st - 5th Grade
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Determinar la masa molecular de H2SO4 (Ácido sulfúrico)
98 g/m
64 g/m
35,6 g/m
102 g/m
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Determina la masa molecular del HNO3 (Ácido nítrico)
41g/m
57.08g/m
63g/m
71g/m
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Determina la masa molecular del CaCO3 (Carbonato de calcio)
105.9888 g/mol
100.0869 g/mol
56.0774 g/mol
74.093 g/mol
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Determinar la masa molecular de C17H21NO4 (Cocaína)
303,35 g/mol
300,52 g/mol
125,35 g/mol
269,078 g/mol
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Determinar la masa molecular de C21H30O2 (Tetrahidrocannabinol)
314.45 g/mol
286.41 g/mol
310.93 g/mol
366.71 g/mol
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Es la suma de las masas atómicas de todos los átomos de una molécula:
UMA
Avogadro
Masa molecular
Peso atómico
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
En la formula molecular HIO3, el porcentaje de la masa del Yodo es
72.14%
0.57%
20.00%
27.28%
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