
ESTEQUIOMETRÍA
Authored by ROGELIO INFANTE MEDINA
Chemistry
1st Grade
Used 80+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuántas moles de Na2HPO4 pueden prepararse a partir de 5 moles de NaOH y suficiente H3PO4 ?
NaOH + H3PO4 => Na2HPO4 + H2O
5 MOLES
1.5 MOLES
2 MOLES
2.5 MOLES
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuántas moles de H2O reaccionarán con 1.5 moles de PCl3 para formar HCl y H3PO4?
PCl3 + H2O => HCl + H3PO4 (balancear)
1.5 MOLES
0.75 MOLES
3 MOLES
4.5 MOLES
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Balancee la siguiente ecuación. Calcule el número de moles de CO2 que pueden prepararse al reaccionar 5 moles de Ca(HCO3)2
15 MOLES
12.5 MOLES
10 MOLES
2.5 MOLES
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuántas moles de BaCl2 pueden prepararse al reaccionar 2.5 moles de HCl con exceso de Ba(OH)2?
HCl + Ba(OH)2 => BaCl2 + H2O (balancear)
5 MOLES
3.5 MOLES
2.5 MOLES
1.25 MOLES
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuántas moles de NaCl Pueden preparase al reaccionar 91.25 gr de HCl con exceso de NAOH?
HCl + NaOH => NaCl + H2O
1 MOL
2.5 MOLES
3 MOLES
5 MOLES
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿ Cuántas moles de H2O se preparan al obtenerse 5 moles de Na3PO4 por reacción de NaOH y H3PO4?
5 MOLES
10 MOLES
15 MOLES
20 MOLES
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En cierto experimento se queman 100 g de etano, C2H6.
Selecciona la ecuación química balanceada para la combustión de etano, que produce C02 y agua
C2H6 + O2 ---- 2CO2 + 3 H2O
2C2H6 + 7 O2 ---- 4CO2 + 6 H2O
C2H6 + 2 O2 ---- 2CO2 + 3 H2O
2C2H6 + 5 O2 ---- 4CO2 + 3 H2O
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