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Lina2519
@Lina2519
August 2021
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При получении железа из оксида железа (III) методом алюминотермии получено 14 г железа. Определите:
а) массу израсходованного железа (III),
б) массу израсходованнного алюминия.
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ndambaeva
Xg yg 14g
Fe2O3+2Al =2 Fe+Al2O3
160g 54g 112g
x=160·14/112=20g (Fe2O3)
y=54·14/112=6.75g (Al)
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Answers & Comments
Fe2O3+2Al =2 Fe+Al2O3
160g 54g 112g
x=160·14/112=20g (Fe2O3)
y=54·14/112=6.75g (Al)