--> . 9 .

 


 

>> 9 .

2. .

 


10. ()

    . , , , .

    1 Na3[Al(OH)6].

.

    . .

    1. 2 CuSO4, 2 (III) FeCl3.

    2. NaOH .

    3. : H2SO4, l.

    4. , .

-

1. . .

2. . , .

3. , :

    → ()2 → O3 → → ()2 → l2

<<<

 

 




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