.
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3.33 Al2(SO4)318H2O 5 (80 ) . , , . 0,5 (NH4)2SO4 1,3 .
, . 80 . 15-20 . . 1,505 .
:
Al2(SO4)3 + (NH4)2SO4 + 24H2O → 2AlNH4(SO4)2 12H2O↓
.
:
:
:
m ((NH4)2SO4) = 0,5
m (Al2(SO4)318H2O) = 3,33
:
W %.
:
n (Al2(SO4)318H2O) = m/Mr = 3,33 / 666,15/ = 0,004
n ((NH4)2SO4) = 0,5 / 132/ = 0,0037
, .
n (AlNH4(SO4)2 12H2O) = 2 ∙ 0,0037 = 0,0074
m.(AlNH4(SO4)2 12H2O) = 0,0074 ∙ 237,15/ = 1,7549
W.(AlNH4(SO4)2 12H2O) = m.∙ 100% / m. = 1,505 ∙ 100% / 1,754 = 85,80 %
85,80 %. .
:
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3.1. :
1. . . 3- ., . /. . , . . , . . ; . . . . .: , 2000. 480 .: .
2. .., .. .- .:, 1974.- 408 .
3. . ., , 4 ., . 1, .. 1974, . 566, 613. 632, 635, 640. 653; . ., ". . ". 1986. . 31, 6, . 1551 55 . . .
4. . . . 1973. . 2. . 520-521
5. . . . 1947. . 18-21, 32
- https://ru.wikipedia.org/wiki/
- dic.academic.ru/dic.nsf/enc_pohlebkin/73/
- http://www.xumuk.ru/encyklopedia/1953.html
{\displaystyle {\mathsf {[Al(H_{2}O)_{6}]^{3+}+H_{2}O\ \rightleftarrows \ [Al(H_{2}O)_{5}(OH)]^{2+}+H_{3}O^{+}}}}{\displaystyle {\mathsf {[Al(H_{2}O)_{6}]^{3+}+H_{2}O\ \rightleftarrows \ [Al(H_{2}O)_{5}(OH)]^{2+}+H_{3}O^{+}}}}