ղ̲̻ 9
.
1) 25% :
1:1 1:3 1:2 1:4
2) , :
HF, HNO3, NH4OH HCN, HI, NaOH
HF, HNO2, NH4OH KOH, HNO3, NaOH
3) :
1s22s22p63s1 1s22s22p63s23p5
1s22s22p63s23p3 1s22s22p63s23p2
4) , :
(NH4)2HPO4, [PH4]I, Ca3P2 HPO3, Na2HPO3, KH2PO2
(NH4)3PO4, Ba(H2PO4)2, NaHPO4 H4P2O7, CaHPO4, PH3
.
:
| г | |
| 4HCl + MnO2 = Cl2 + MnCl2 + 2H2O 3Cl2 + 6KOH = 5KCl + KClO3 + 3H2O NaCl + AgNO3 = AgCl + NaNO3 3H2S + KClO3= 3S + KCl + 3H2O | 1. 2. 3. 4. 5. , |
3. : , , , , . , . : , , , , ?
4. : P2O5, CaO, BaCl2, Pb(NO3)2. , , :
) 3 4 ;
) 1 2 ;
) 1 4 ;
) 3 1 4 .
.
5. . , 47%. ³, , V . . . ³ .
6. , , . , , ? .
7. , , 7,4. , . 3,584 (..), 2,016 (..). , 3:1. ³ .
|
|
|
8.
8. 50 , , 65 1 /. - 80,4 AgNO3 1 /.
-
- . ³ .
- AgNO3?
9. 22,4 (..) - ( 13), 39 . 30 (..) (w() = 57,145).
- . ³ .
- , . ? ³ .
- ᒺ , , 2 . 37F, .. ³ .
10. :
1. () ( ) .
1/3 ᒺ () ( ). .
2. () .
2 . () 1-2 ( ).
3. () ().
2 . () , ().
, , .
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() 9
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2016
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