2. , . 3. . , 5 , . . 2AlCl3 + 3Na2CO3 > 6NaCl +
Al2(CO3)3v(AlCl3) = 5 m()=? 4. :- . : , , . 5. .. .. 6. , . 7. 1 2
3) 1;) ;) H2O 8. : AlCl3 Na2CO3 NaCl 9. AlCl3 , Na2CO3 ? ? 10. 1
AlCl3Na2CO3 NaCl 11. 1 AlCl3 + >Na2CO3 OH >NaCl + =OH 12. +
13. 4 14. AlCl3 , !Al(OH)3HCl [OH]-< [H]+ 15. ll3 3+ ll3 l + 3l
+2O +
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3+ 2++Al + 3l + 2O lO + 3l + 3+ 2+ +l + 2O lO + , 16. ,, , . 17.
,Na2CO3 ! NaOH H2CO3 [OH]-> [H]+ ( !) 18. Na2CO3 + 2Na2CO3 2Na +
O 3 + 2O +
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+ 2+ 2Na + O + 2O 2Na + HCO + 332O + 2O O + 3 3 - , , . 19. ,,, -.
20. NaClNaClNaOH HCl , ![OH] =[H+] 21. ,,, -. 22. NaCl+ NaCl Na + l
+2O +
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+ + Na + l + 2O Na + Cl + H2O - , (). 23. Al2 S3 Al2S3 + 6H2O =
2Al(OH)3 + 3H2S , . . 24. Al2 S3 Al2S3 +6HOH 2Al(OH) 3 + 3H 2 S , ,
. . 25. , , . .Al2(CO3)3 + 3HOH > 2Al(OH)3 + 3CO2 26. . , 5 . .
2AlCl3 + 3Na2CO3 + 3H2O >v(AlCl3) = 5 2Al (OH)3 + 3CO2 +
6NaClm() = ? v (Al(OH)3) = v (AlCl3) = 5 m (Al(OH)3) = M* v = 78 *
5 = 390 : 390 . 27. - - 28. (, , , , ) ( + ) 29.
