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Una mezcla de complejos de 8-hidroxiquinolina de aluminio y magnesio pesa 1,0843 g. Al encenderse en un horno al aire libre, la mezcla se descompuso,
Una mezcla de complejos de 8-hidroxiquinolina de aluminio y magnesio pesa 1,0843 g. Al encenderse en un horno al aire libre, la mezcla se descompuso, dejando un residuo de Al2O3 y Mg de 0,1344 de peso. Cul es el porcentaje en peso de Al(C9H6NO3) en la mezcla original? AlQ3 + MgQ2 Al2O3 + MgO
Dnde:
Q representa 8-hidroxiquinolina
AlQ3 FW = 459,441 g
MgQ2 FW = 312.611 g
Al2O3 FW = 101,961 g
MgO FW = 40.304 g
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