Spanish Chemistry

Quiz
•
Chemistry
•
10th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Es la cantidad de átomos en 12 gramos de carbono y de manera general 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
5 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
3.
MULTIPLE CHOICE QUESTION
5 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
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuál es la cantidad de sustancia que posee un número de Avogadro?
Una Masa
Un Mili mol
Una Mol
Una uma
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuántas moléculas hay en 9 g de agua? Masa molecular H2O= 18 g/mol
6,022 x 10-12
6,022 x 1012
3,011 x 10-23
3,011 x 1023
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuántas moléculas de propano, C3H8 hay en 100 g de dicho gas? Masa atómica C= 12 g/mol; Masa atómica H= 1 g/mol
1,3 x10-24
1,36 x1024
6,022 x 10-23
6,022 x 1023
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Un recipiente contiene 200 g de dióxido de carbono, ¿cuál es el número de moles? Masa atómica C= 12 g/mol; Masa atómica O= 16 g/mol
4,54
45,4
0,45
454
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