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>> 8 .

8 .

 

8


.

1

) O3 = + O2 , ,
) P2O5 + 2O = 34 , .

2

2

3

) 34 + 3NaOH = Na3PO4 + 32O,
) Na2O + 2O = 2NaOH,
) 3FeO + 2l = l2O3 + 3Fe,
) Cu(OH)2 = + 2O,

4

Fe2O3 + 2 → 2Fe + 2O

, (III) , .

1 Fe2O3, 3 2, 67,2 . 2 3 , 1,81024 .

 

 

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