科学的公式是怎么算的?比方说:四氧化三铁中含铁有多少?有多少杂质?

来源:学生作业帮助网 编辑:作业帮 时间:2024/12/02 04:05:25
xXKOY+ $Dze1b33RZ j,V$1~< `blNjI[ShzFͮ#r}suOUQ<1w^JɭsLYy /YY΋Qv,Ha!w"#ʫ+Һ(v:,0Q/IX&`^z/D<(R[FMq)ilnZ{ ~ALA& VIcs*Hՙ4A໛pSDh۫LBYFg,#h'vɡYP A]Q ,B#6eL ܴFQeUeƨ'D:3S7H%p&"3fѪd$m ]IJt'7B#OTuT|ϹGVFhp)ҚK읦"aFEG򢜲Dk1M}%;p=gI ='"SHȊLxM迮",Axj/ AN1=i?{IS$V92ᔻ ^+](>"[ak}j>'+Tm9Q Z,FzDf;F::ǹUJ %؇Mي5nFS[ $," +Cnn0*W˃0ҮwŴ=n5PбSu_uCNv6 $w!بdžF߉Tc\9_o 2z֊PlCqOcFÎsH撯д=0Ng߈ *24:{26uGK\޶,VA(ڜ6 &W30KCA{33Stzr !w1$/z9m5=} V 烥:h9Qk+|ʨqb!ׅs4Xu9SDmw;$ Nry "[q]^4:-G |FJΓԵ{m]yh"r>Wj9sX=Z5a3ڀ) |O+ U3{#@D"+Ta2ݪ"V; _+ Ǿo| <*