La combustión de la pólvora negra (pernitrato de potasio) más carbono más azufre produce sulfuro potásico más dióxido de carbono más nitrógeno gaseoso; si para cada reactivo entran 78 gr de pernitrato de potasio, 65 gr de azufre y 89 gr de carbono. Calcular:
a) Escriba la reacción y balancéela
b) Reactivo límite y exceso
c) Gramos de reactivo en exceso
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La combustión de la pólvora negra (pernitrato de potasio) más carbono más azufre produce sulfuro pot...
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