
ESTEQUIOMETRIA PARTE I
Authored by Francis Nava
Chemistry
2nd Grade
Used 2+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calcule la masa en gramos de 2 átomo de mercurio (Hg). (MAHg = 200,59 g/mol).
3.33x10-22 gramos
6.66x10-22 gramos
9.99x1022 gramos
1.11x1022 gramos
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuántos átomos hay en 3,52 g de magnesio (Mg)?. (MA Mg = 24,3 g/mol).
(Respuesta: 8,73 ∙ 1022 átomos de Mg).
7,72x 1022 átomos
5,72 x1022 átomos
8,72 x 1022 átomos
2,72x 1022 átomos
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule la masa en gramos de 1,12x 1024 átomo de plata (Ag). (MAAg = 107,87 g/mol).
200,64 gramos
205,89 gramos
190,50 gramos
225,14 gramos
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule cuantos equivale 1,26 x 1023 átomos de carbono en moles. (MAC=12g/mol)
0,30mol
3,22mol
2,56mol
0,21mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule cuántos moles hay en 244 g de aluminio (Al).
(MA Al = 27 g/mol).
10mol
9,04 mol
8,55mol
9,45mol
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