Question

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Answer 1

Respuesta:

26.66667 moles

Explicación:

Con tu tabla periódica, tienes que sacar la masa molar del compuesto que involucra tu problema. En este caso, te pregunta cuántos MOLES de CO2 se producirán con 400 GRAMOS de ETANO (2C2H6).

La masa molar de 2C2H6 es de 60 g/mol. Después, tienes que plantear una regla de tres directa:

Si 60 g/mol de etano 2C2H6 producen -> 4 moles de CO2,

entonces 400 g/mol de 2C2H6 producirán -> x

Como es una regla de tres directa, multiplicas cruzado y lo que te dé, lo divides lineal:

(400 x 4) ÷ 60 = 26.66667 moles.