FORMULA EMPIRICA Y MOLECULAR 2

Quiz
•
Chemistry
•
1st - 3rd Grade
•
Medium
Armando Torres
Used 28+ times
FREE Resource
6 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Deduce la fórmula empírica del compuesto con 44.9% de potasio, 18.4% de azufre y 36.7% de oxígeno:
K2SO4
KSO2
KSO3
K2SO3
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Encuentra la fórmula empírica de un compuesto que tiene 4.364 gr de fósforo y 5.636 gr de oxígeno:
PO
P2O3
P2O5
PO2
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determina la fórmula empírica de un compuesto cuya masa total es de 5.1 gr. Se sabe que hay 1.023 gr de calcio y lo que resta es de bromo:
CaBr
CaBr2
Ca3Br2
Ca5Br2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
La hidroquinona de masa molar 110 gr/mol tiene una composición porcentual de 65.45% C, 5.45% H y 29.09% O. ¿Cuál es su fórmula molecular?
C5H5O
C3H3O
C6H6O2
C5H5O2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calcula la composición porcentual del anhídrido cloroso, (se permiten diferencias mínimas en los porcentajes)
59.66% Cl y 40.33% O
81.60% Cl y 18.39% O
47.01% Cl y 52.98% O
38.79% Cl y 61.20% O
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calcula la composición porcentual del carbonato de zinc (puede haber diferencias mínimas en los porcentajes):
52% Zn, 9.6% C y 38.4 % O
74.71% Zn, 6.89% C y 18.39% O
69.89% Zn, 12.90% C y 17.20% O
63.10% Zn, 5.82% C y 31.06% O
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