1. ( ):
1.1. 10% . 0,2 (ρ = 1,0316 /) ?
1.2. . 1 . 30 1%- 3 . ?
1.3. 280 40 . (ρ = 1400 /3).
1.4. 10% (ρ = 1,066 /3) 200 1 . ?
1.5. 42 14 0,3 . . ?
1.6. . 1 0,1%- (ρ = 1 /). 0,5 , ( = 219,7 /).
1.7. 15 6,5 0,02 /. 100 ?
1.8. ( ) 8%. l .
2.
2.
: .
( ):
1. 300 15%- 8%. .
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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. .
1 , 50 .
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5 1 , . .
10 . 2-3 . .
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0,1 .
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, .
( , 1 1 ).
| , , | , , | , , | , / | , / |
| 10 |
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| 10 | ||||
| 10 |
( , Vcp = (V1 + V2 + V3)/ 3).
:
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: ______________________ (, , )
