Masa molecular y composición porcentual
10th Grade
•11 Qs
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Masa molecular y composición porcentual
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
Heriberto Jacques
Used 138+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En la molécula de Sr3(PO4)2, la cantidad de átomos es
3 átomos de estroncio, 1 átomo de fosforo, 4 átomos de oxígeno
3 átomos de estroncio, 2 átomos de fosforo, 2 átomos de oxígeno
3 átomos de estroncio, 1 átomos de fosforo, 6 átomos de oxígeno
3 átomos de estroncio, 2 átomos de fosforo, 8 átomos de oxígeno
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
La fórmula molecular indica:
El número total de átomos por elemento
El número total de elementos que puede tener un compuesto
El número menor de elementos que puede tener un compuesto
La fórmula molecular es igual que la fórmula empírica
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En la formula molecular H2SO4, el porcentaje de la masa del Hidrógeno es de...
2.05%
32.69%
65.25%
26.8%
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En la formula molecular KHCO3, el porcentaje de la masa del Carbono es de...
11.99%
30.05%
1.01%
47.94%
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En la formula molecular ZnSO4, el porcentaje de la masa del Oxigeno es de...
39.64%
40.49%
19.86%
66.67%
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En la formula molecular KOH, el porcentaje de la masa del Potasio es de...
69.69%
28.52%
1.79%
33.33%
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En la formula molecular HIO3, el porcentaje de la masa del Yodo es de...
72.14%
0.57%
27.28%
20.00%
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