用1000 t含氧化铁80%赤铁矿石，理论上可以炼出含铁96%的生铁的质量是多少
230
分析：由赤铁矿石的质量、氧化铁的质量分数、生铁中铁的质量分数，根据赤铁矿炼铁的化学方程式可以列式计算出炼出生铁的质量．
解答：解：设理论上可以炼出含铁96%的生铁的质量为x．
Fe2O3+3CO
2Fe+3CO2
160 112
1000t×80% 96%x
x=583t
答：理论上可以炼出含铁96%的生铁的质量为583t．
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