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 , . .
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10 . 2-3 . .
0,1 .
.
, .
( , 1 1 ).
, , | , , | , , | , / | , / |
10 |
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| 0,1 | |
10 | ||||
10 |
( , Vcp = (V1 + V2 + V3)/ 3).
:
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: ______________________ (, , )
1. (0,9%-) . , 250 (ρ = 1007 /3).
2. , , , , , . 150 40%- ( 1540 /3).
3. 1%- . , 0,4 . . 1.
4. , , . , 40%- 10 . 1,54 /3.
5. , , , , . , 50%- 2 . 1,47 /.
6. 1 50%- (ρ = 1,47 /3). 0,25 . ?
7. , 40 500 .
8. , . , 10 %- 10 . 2,51 /3.
9. 40% 1,25 /. , .
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10. , 125 900 . 500 .
11. 800 10% ( ) ?
12. . , . , 30 1% . , 1007 /3.
13. 4% . 1 , 0,8 /.
14. , , , , .. . 9,0 , 50 941 . .
15. 250 0,05 / 750 1 /. .
16. - 10% ( 0,85 /). 25% 0,907 /, 0,5 ?
17. , , , . 1,6 /. , , 5 ?
18. 40% . 96% 0,81 /. 96% 1 40% ? ?
19. 10% 1,07 /. 100 ? 100 ?
20. 0,5% . 1 ? , 1,01 /?
21. ( ) 8%. l .
22. , , 47%. 0,92 /. ?
23. . 1 0,1%- (ρ = 1 /). 1 , ( = 219,7 /).
24. 10 , , 9,8 0,02 KMnO4 . 100 ?
25. 15 6,5 0,02 /. 200 ?
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