}ĿijW(xu)dȤСMͬW(xu)(j)(sh)(yn)ṩăxˎƷώָ(do)DxbM(jn)Ƃ䌍(sh)(yn)
1(xi)xaQ
2ͬW(xu)ψDxAEbõĽMȡԓ(yng)ĻW(xu)ʽ飺 .zƤBbAEеIJ(do)ܕr(sh)(yng)ȰѲܿ ȻѲܲzƤռwǰ(yng)ƿbM w ռ߀xõb
3ͬW(xu)Qȡһ|(zh)wԇضȿ250ӟȡ
ԓ(yng)ĻW(xu)ʽ
(sh)(yn)Y(ji)r(sh)ͬW(xu)l(f)F(xin)ˮռ
Փa(chn)ᘌ(du)@һF(xin)ͬW(xu)M(jn)̽
[]I(yng)ɵ ֽų
II(yng)ɵ ֽų
III(yng)ɵֽⶼų
[(sh)(yn)(yn)C]ͬW(xu)ֳɃɽMքeM(jn)Ќ(sh)(yn)
һMͬW(xu)ȡһ|(zh)250l¼ӟһΕr(sh)gsy(c)
|(zh)׃t____e(cu)`ڶMͬW(xu)ȡ
250l¼ӟ](mi)Üy(c)|(zh)ķó˲II_ĽY(ji)ՓԓMͬW(xu)x(jin)εČ(sh)(yn) .
[չ](sh)(yn)l(f)F(xin) wӟȡ
ķ(yng)ʺKMnO4wc
wϼӟt
ķֽʴӿՈ(qng)f(shu)
ķֽⷴ(yng)Ƿ xʲô .
𰸡(1)Fƿ
(2) (rn)ˮƬC
(3)[(sh)(yn)(yn)C]юǵľlԇľl(f)ȼ[չ] ?yn)i⛷ֽҲ(hu)a(chn)ͬr(sh)a(chn)Ķi(du)⛵ķֽã
1xaFƿFƿ
2xAEbõĽMȡ⣬ڹ-Һ^(gu)ֽȡ^(gu)ֽĻW(xu)ʽzƤBbAEеIJ(do)ܕr(sh)(yng)ȰѲܿڝ(rn)ȻѲܲzƤܣռwǰ(yng)ƿbMˮwϲƬ?yn)ⲻˮܶȱȿ՚ռ߀xbC
(rn)ˮƬC
3(sh)(yn)(yn)C250l¼ӟһΕr(sh)gsy(c)|(zh)׃f(shu)250r(sh)iֽܷ⣬Բe(cu)`
ȡi250l¼ӟюǵľlԇУľl(f)ȼf(shu)_юǵľlԇľl(f)ȼ
[չ]˸i֮a(chn)ٶȼӿ?yn)i⛷ֽҲ(hu)a(chn)⣬ͬr(sh)a(chn)Ķi(du)⛵ķֽi⛲Ǵ?yn)i⛷ֽҲ(hu)a(chn)ͬr(sh)a(chn)Ķi(du)⛵ķֽã
ԇ}(1)(j)x;(sh)(xi)Q(2) (j)AEbõĽMȡڹ-Һ֪ͣ^(gu)Һȡ(j)(yng)ԭ(sh)(xi)ʽ(j)ܶȺܽԷռ(j)ܺzBӕr(sh)pСĦˮܝ(rn)(3)(sh)(yn)(yn)C(j)(sh)(yn)F(xin)Ɣ(j)ęz(yn)Îǵľl(j)iܟֽii⛷(yng)ĴY(ji)ϴĸc(din).
ĿлW(xu) (li)Դ }ͣ
}ĿDʾnj(sh)(yn)ҳõƂwČ(sh)(yn)b(j)ҪشІ(wn)}
1ΙzAbõĚ
2(sh) (yn)øiȡ⑪(yng)xõb ĸ
(yng)ĻW(xu)ʽ
3(sh)(yn)ҿ}wcⰱˮڳ»ȡ˵õƽ(wn)İ(yng)xİl(f)b ĸ
4ռijwķҪȡQ@Nw|(zh)ژ(bio)r£ܶȞ0.771g/LҰOˮռǑ(yng)xõb ĸ
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ĿлW(xu) (li)Դ }ͣ
}Ŀ5֣W(xu)һT(mn)Ԍ(sh)(yn)A(ch)ȻW(xu)Dnj(sh)(yn)ҳõIJ(sh)(yn)xDՈ(qng)Ҫش
1F(xin)Ȼcw50g|(zh)?jn)?sh)10%ȻcҺ(g)^(gu)вҪČ(sh)(yn)x ______ ̖(ho)
2ҪČ(sh)(yn)Eǣ
Ӌ(j)㣺Ӌ(j)Ȼcw|(zh)ˮwe
Q
aʹ÷Q?j)xĵһǣ(xi)^(gu)̣ _________
bQȡ5gȻcwȡˮwer(sh)(yng)x _________ mL1050100Ӌ(j)?j)x
ܽ⣺QõȻcw(do)Ȼˮʹܽ裮
bƿúõҺbx _________ xQNϘ(bio)
`ȡˮwer(sh)ҕx(sh)t(do)Һ|(zh)|(zh)?jn)?sh) _________ ƫƫС׃
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ĿлW(xu) (li)Դ }ͣ
}ĿijͬW(xu)DbFԭ팍(sh)(yn)
(yng)֮ǰ(yng) _________ ӟA̎ĬF(xin)_________________ԓͬW(xu)ȡFƷ10ˣs|(zh)(yng)_IJEȫ(yng)y(c)(yng)йwʣ7.6tƷF|(zh)?jn)?sh)Ƕ(xi)Ӌ(j)^(gu)̣
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