Moles y masa

Quiz
•
Chemistry
•
9th Grade
•
Hard
Standards-aligned
Pilar Moyano
Used 12+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Si tenemos en cuenta que las masas moleculares del K= 39g/mol, Mn= 55g/mol y el O= 16g/mol, ¿cuál es la masa molecular del permanganato de potasio (KMnO4)?
15,8g/mol
158g
158g/mol
158 mol
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
La masa en gramos de 3 moles de agua. Masa molecular H2O= 18 g/mol
16
18
36
54
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿Cuál es la masa molecular del H2SO4? Ma H= 1 g/mol;
Ma S= 32 g/mol; Ma O= 16 g/mol
48
98
52
104
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Si la molécula de agua tiene una masa de 18 g/mol, ¿cuántos moles tiene?
1 mol de Agua
2 moles de Agua
0,5 moles de Agua
0,25 moles de Agua
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
La masa molecular para el compuesto de formula
176,1 gramos
164,1 gramos
250 gramos
293,4 gramos
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿Cuántos moles de átomos de carbono hay en 36 g de Carbono? Masa atómica C= 12 g/mol
0,5
1,0
2,0
3,0
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Para determinar la relación entre masa y moles de un compuesto se requieren los siguientes pasos. ¿Cuál es la alternativa que sigue el orden ideal para utilizar estos pasos?
A - B - C - D - E
A - E - C - D - B
B - E - D - A - C
B - C - D - A - E
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