
203_QUI II_2DOPARCIAL
Authored by 05 REY MURRIETA JESÚS HOMERO
Chemistry
12th Grade
Used 4+ times

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1.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Calcula la masa de cloruro de sodio si hay 1.25 mol de cloro en la ecuación
Na + Cl2 --> NaCl
Peso Atómico:
Na= 23
Cl= 35.5
188 gr
120 g
146.25g/mol
146.25g
2.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Calcule los gramos de Cloruro de Zinc a partir de 26.5 gramos de Zinc
Zn + HCl --> ZnCl2 + H2
Peso atómico
Zn= 65.37
Cl= 35.45
55.18 gr
160g
55.18 gr/mol
85.12g/mol
3.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Calcula los moles de oxígeno si hay 1.65 gramos de clorato de potasio
KClO3 --> KCl + O2
Peso atómico:
K= 39
Cl=35.4
O= 16
0.320mol
0.020mol
0.430gr/mol
0.020mol/gr
4.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Calcula los moles de cromo si hay 28.6 gramos de óxido de cromo
Cr2O3 + Al --> Cr + Al2O3
Peso atómico
Cr=52
O=16
0.866 mol
0.374mol
1.243mol
0.646mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Calcular gramos de Oxígeno si hay 72 gramos de C2H6
C2H6 + O2 --> CO2 + H2O
Peso atómico
C=12
H=1
O= 16
268.8g
120 g
146.25g
220.34g
6.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Calcular los moles de 82 gramos de Cloruro de calcio: CaCl2
Peso atómico:
Ca= 40
Cl= 36
0.731 mol
2.34mol
0.423mol
1.345mol
7.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Calcular moles de Óxido férrico: Fe2O3
Peso atómico:
Fe= 56
O= 16
3.69mol
6.87mol
2.58mol
1.345mol
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