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a. g Cu2S = 3 mol SO2 x 1 mol Cu2S X 159 g Cu2S
```````````````` ````````````````
1 mol SO2 1 mol Cu2S
g = 477 g Cu2S
(REVISA LA CANTIDAD DE MOL EN LA PREGUNTA NO SE VE BIEN SINO NO ES 3 LO CAMBIAS XFA)
b.
g O2 = 3 mol de Cu2S x 1 mol O2 x 32 g O ```````````` ``````````
1mol Cu2S 1 mol O2
g = 96 de O2
c.
g Cu = 3 mol Cu2S x 2 mol Cu x 63.5 g Cu
`````````````` ``````````````
1 mol Cu2S 1 mol Cu
g Cu = 381 g
d.
g O2 = 5 mol Cu2S x 2 mol O2 x 32 g O2
`````````````` ````````````
1 mol Cu2S 1 mol O2
g O2 = 1320 g DE OXIGENO
NOTA: REVISA LOS MOLES DE LAS PREGUNTAS NO SE VEN BIEN PERO ESE ES EL PROCEDIMIENTO
6. KClO4 → KCl + 2O2
a. g KClO4 = 1.5 g O2 x 1 mol O2 x 1 mol KClO4 x 138.5 g KClO4
````````````` `````````````````` ``````````````````
32 g O2 2 mol O2 1 mol KClO4
g = 3.24 de KClO4
b.
g KCl = 1.5 g O2 x 1 mol O2 x 1 mol KCl x 75 g KCl
````````````` `````````````````` ``````````````````
32 g O2 2 mol O2 1 mol KCl
g = 1.75 de KCl
c.
g KClO4 = 97 g O2 x 1 mol O2 x 1 mol KClO4 x 138.5 g KClO4 ````````````` `````````````````` ``````````````````
32 g O2 2 mol O2 1 mol KClO4
g = 209.91 de KClO4