}Ŀб(𰸺ͽ)
| _ʼr(sh)pH | ȫr(sh)pH |
Fe2+ | 7.0 | 9.0 |
Fe3+ | 1.9 | 3.7 |
Cu2+ | 4.9 | 6.7 |
Al3+ | 3.0 | 4.4 |
Ӯa(chn)Ʒa(chn)Ĵ(du)h(hun)(gu)˘O{ijW(xu)dȤСMһUľ·庆(jin)̎õCuAlFeAuPtȽٵĻO(sh)Ӌ(j)Ƃ~Xw·
ҪشІ}
(1)V1дڵĽ_____________
(2)֪pH±
|
_ʼr(sh)pH |
ȫr(sh)pH |
Fe2+ |
7.0 |
9.0 |
Fe3+ |
1.9 |
3.7 |
Cu2+ |
4.9 |
6.7 |
Al3+ |
3.0 |
4.4 |
لtX|(zh)xõ___________(̖(ho))
aԸiҺ bƯ cȚ dpˮ
Փϑ(yng)ҺpHķ________________________
(3)z(yn)VҺ2мȲFe2+ֲFe3+IJE____________________
(4)һ(g)xӷʽʾҺмmX۵ķ(yng)___________________
(5)CuSO45H2OƂCuSO4r(sh)(yng)CuSO45H2O______(xQ)мӟÓˮ
(6)F(xin)ijЩʹõĸF늳һNͿɳ늳cͨ늳ȣԓ늳L(zhng)r(sh)gַ(wn)ķ늉F늳صĿ(yng) 3Zn + 2K2FeO4 + 8H2O3Zn(OH)2
+ 2Fe(OH)3 + 4KOHԓ늳ط늕r(sh)ؓ(f)O(yng)ʽ_______ÿ1mol K2FeO4߀ԭD(zhun)ӵ|(zh)____늕r(sh)(yng)O(yng)ʽ___________
Ӯa(chn)Ʒa(chn)Ĵ(du)h(hun)(gu)˘O{ijW(xu)dȤСMһUľ·庆(jin)̎õCuAlFeAuPtȽٵĻO(sh)Ӌ(j)Ƃ~Xw·
ҪشІ}
(1)V1дڵĽ_____________
(2)֪pH±
| _ʼr(sh)pH | ȫr(sh)pH |
Fe2+ | 7.0 | 9.0 |
Fe3+ | 1.9 | 3.7 |
Cu2+ | 4.9 | 6.7 |
Al3+ | 3.0 | 4.4 |
ʡ(lin)W(wng)`ͲϢe(bo)ƽ_(ti) | W(wng)кϢe(bo)^(q) | p_e(bo)^(q) | vʷ̓oxкϢe(bo)^(q) | ֙(qun)e(bo)^(q)
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