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Formula empírica y molecular

Authored by ana cadavid

Chemistry

10th Grade

Used 22+ times

Formula empírica y molecular
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3 questions

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1.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Calcular la fórmula empírica de un compuesto cuyo análisis resultó la siguiente composición en porcentaje: Fe = 77,7%, O = 22,3%.

2.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Se ha observado que 14 g de hierro se combinan químicamente con 8 g de azufre. Calcular la fórmula empírica del compuesto formado.

3.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

El benceno tiene la fórmula empírica C6H6. Si su masa molar es 78, ¿cuál es su fórmula molecular?

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