6. ¿Qué masas de magnesio y oxígeno deben reaccionar para obtener exactamente 2,000 g de óxido de magnesio?
Respuestas
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2 Mg + O2 → 2MgO
Mm Mg = 24.30 g/mol
O2 = 32 g/mol
MgO = 40.30 g/mol
g Mg = 2.00 g MgO x 1 mol MgO x 2 mol Mg x 24.30 g Mg
``````````````` `````````````` ````````````````
40.30 g MgO 2 mol MgO 1 mol Mg
g Mg = 1.206 g
g O2 = 2.00 g MgO x 1 mol MgO x 1 mol Mg x 32 g Mg
``````````````` `````````````` ````````````````
40.30 g MgO 2 mol MgO 1 mol Mg
g O2 = 0.7940 g
Mm Mg = 24.30 g/mol
O2 = 32 g/mol
MgO = 40.30 g/mol
g Mg = 2.00 g MgO x 1 mol MgO x 2 mol Mg x 24.30 g Mg
``````````````` `````````````` ````````````````
40.30 g MgO 2 mol MgO 1 mol Mg
g Mg = 1.206 g
g O2 = 2.00 g MgO x 1 mol MgO x 1 mol Mg x 32 g Mg
``````````````` `````````````` ````````````````
40.30 g MgO 2 mol MgO 1 mol Mg
g O2 = 0.7940 g
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