题目

用2000t含氧化铁80%的赤铁矿石，理论上可以炼出含铁96%的生铁多少吨？（利用化学方程式计算，书写步骤，保留整数） 答案：解：设理论上可炼出含铁96%的生铁的质量为x， Fe 2 O 3 160 2000t×80% +3CO 高温 _ _ 2Fe 112 x×96% +3CO 2 MathType@MTEF@5@5@+= feaagGart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbWexLMBbXgBd9gzLbvyNv2CaeHbl7mZLdGeaGqiVu0Je9sqqr pepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs 0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaai aabeqaamaabaabauaakeaafaqabeWabaaabaaeaaaaaaaaa8qacaqG gbGaaeyza8aadaWgaaWcbaWdbiaabkdaa8aabeaak8qacaqGpbWdam aaBaaaleaapeGaae4maaWdaeqaaaGcbaGaaGymaiaaiAdacaaIWaaa baGaaeOmaiaabcdacaqGWaGaaeimaiaabshacqGHxdaTcaqG4aGaae imaiaabwcaaaqbaeqabmqaaaqaa8qacaqGRaGaae4maiaaboeacaqG pbaapaqaaaqaaaaafaqabeWabaaabaWdbuacaciaaGzabeqaceaaae acaciaaGzadGaGacaaygadbaqaiaiGaaaMbiacaciaaGzamITMcGaG acaaygaJP4gaaaqaiaiGaaaMbaaaa8aabaaabaaaauaabeqadeaaae aapeGaaeOmaiaabAeacaqGLbaapaqaaiaaigdacaaIXaGaaGOmaaqa aiaadIhacqGHxdaTcaaI5aGaaGOnaiaacwcaaaqbaeqabmqaaaqaa8 qacaqGRaGaae4maiaaboeacaqGpbWdamaaBaaaleaapeGaaeOmaaWd aeqaaaGcbaaabaaaaaaa@6E78@ 112160=x×96%2000t×80%  x≈1167t， 答：理论上可以炼出含铁96%的生铁的质量为1167t。

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