1.
Ѳ 2 5
≡ = = =
2. .
) 2,3- 4 -1-
) 3,3,4,5--1-
) 2,4 -5--1,3-䳺
) 2,5--3,3-.
3.
)
) 䳺
4. .
) : 714, 510, 24, 66, 22.
) 16 ó
) 6
) 16 ó
5. ,
4→22→24→25Ѳ→410→48→49
6. . .
, 42,07%, -!8,9%, 39,05%. 5,857.
1. .
ω(Na)=42,07%
ω(P)=18,9%
ω(O)=39,05%
D(N2)=5,857
NaxPyOz
2.
ω(Na)=42,07% Mr= D(N2) ×Mr(N2)=5,857×28=163,99=164 /
ω(P)=18,9%
ω(O)=39,05%
D(N2)=5,875
NaxPyOz
3. ,
n:
ω(Na)=42,07% Mr= D(N2) ×Mr(N2)=5,857×28=163,99=164 /
ω(P)=18,9%
ω(O)=39,05%
D(N2)=5,875
NaxPyOz
³: Na3PO4
:
1. 76, %, ó 12,7%, 11,3. 8,875. .
2. , ó 56,3%, 10,4 %, 33.3%. 53,25. .
4
4. .
: 11
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2. ճ .
3. . ճ .
:
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- , , . | CnH2n-6, n ≥ 6 | , | 1. 2. . | s2 , δ- , س - δ- , π-' | 1. : , , , , , 2. 3. | 1. . 2. , =500 0, =2500 5066 , . 612→66 +32 3. 716 →78 +42 4. ,=800 0, 322→66 | г , =80 0, , : , , . - . , , . 1. 266 + 52→122+62 2. . FeCl3, AlCl3. C6H6+ Cl2→C6H5Cl +HCl 3.. - H2SO4 C6H6+HNO3→C6H5NO2 +H2O 4. C6H6+ H2SO4 →C6H5SO3H +H2O 5.. ) : =200 ,=5066 , , , . C6H6+3H2→C6H12() ) : - C6H6+3Cl2→C6H6Cl6() 6. . |
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