Hgo⇒Hg+O
a) balancee la ecuacion
b) cuantos gramos de mercurio y cuantos de O2 se forman a partir de 45.5 de HgO
c) cuantos gramos de HgO se necesitaran para obtener 33.3 gramos de O2
Respuestas a la pregunta
HgO ⇒ Hg + O
Mm HgO = 216,58 g/mol
Hg = 200,59 g/mol
O2 = 32 g/mol
a) balancee la ecuacion
2 HgO → 2 Hg + O2
b) cuántos gramos de mercurio y cuantos de O2 se forman a partir de 45.5 de HgO
1. calcular gramos de Hg
g Hg = 45.5 g HgO x 1 mol HgO x 2 mol Hg x 200.59 g Hg
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216.58 g HgO 2 mol HgO 1 mol Hg
g = 42.14 g de mercurio
2. calcular g de oxígeno
g O2 = 45.5 g HgO x 1 mol HgO x 1 mo O2 x 32 g O2
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216.58 g HgO 2 mol HgO 1 mol O2
g = 3.36 g de oxígeno
c) cuantos gramos de HgO se necesitaran para obtener 33.3 gramos de O2
g HgO = 33.3 g O2 x 1 mol O2 x 2 mol HgO x 216.58 g HgO
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32 g O2 1 mol O2 1 mol HgO
g = 450.75 de HgO