500吨含Fe2O340%的赤铁矿在炼铁时损失了4%,在炼钢时又损失了1%生铁,则能炼出钢______吨.
题目
500吨含Fe2O340%的赤铁矿在炼铁时损失了4%,在炼钢时又损失了1%生铁,则能炼出钢______吨.
我需要步骤,谢谢谢谢、
答案
Fe2O3的原子量是:56*2+16*3=160
Fe含量为:56*2/160=0.7
500*0.7*40%*(1-4%)*(1-1%)
=500*0.7*0.4*0.96*0.99
=133.056吨
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