1. ( ):
1.1. 10% . 0,2 (ρ = 1,0316 /) ?
1.2. . 1 . 30 1%- 3 . ?
1.3. 280 40 . (ρ=1400 /3).
2.
1.
( ):
1. 20 5 % ?
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2. () () 14,6 % ( (ρ) 1,08/).
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3. - ?
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4. ?
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5. ?
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6. ?
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7. ?
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8. ? ?
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: 1 3; 0,1 NaOH; ; ; ; ; 5; 10 ; ; 50; 2 ; 3 ; .
1. 0,1 .
1 , 50
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5 1 , . .
10 . 2-3 . .
0,1 .
.
, .
|
|
|
( , 1 1 ).
| , , | , , | , / | , / |
| 0,1 | |||
| 0,1 | |||
| 0,1 |
( ,
Vcp = (V1 + V2 + V3)/ 3).
.
: ___________________________________________________________________________
: ______________________ (, , )
