Estequiometría
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Erika Amaya
Used 8+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Es la cantidad de partículas, átomos o moléculas por unidad de masa atómica de cada elemento, equivalente a 6,023 x 1023.
Masa atómica
Número de Bernoulli
Número de Avogadro
Número de Reynold
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si tengo 2 moles de agua, ¿Cuántos gramos tengo? (sabiendo que la masa molecular es de 18 g/mol)
36 gramos
0,11 gramos
9 gramos
Ninguna es correcta
3.
MULTIPLE CHOICE QUESTION
2 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
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Si tengo 3 moléculas de agua, cuántos átomos de Hidrógeno tengo?
1 átomo
El doble
3 moléculas
La mitad
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
2 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
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Si tengo 3 moléculas de agua, cuántos átomos de oxígeno tengo?
1 átomo
El doble
3 átomos
La mitad
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cuál es la cantidad de sustancia que posee un número de Avogadro?
Una Masa
Un Mili mol
Una Mol
Una u.m.a.
Tags
NGSS.HS-PS1-7
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