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1. , . : K2SO3=K2S+K2SO4;
2. , . :BaSO4=BaO+SO2+O2
3. , . : HCl+KMnO4=Cl2+MnCl2+H2O+KCl
4. , . : PbS+H2O2=PbSO4+H2O
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( 15)
ω(%) | , /3 | ||||||
H2SO4 | HNO3 | HCl | CH3COOH | KOH | NaOH | NH3 | |
1,027 1,055 1,083 1,112 1,143 1,174 1,205 1,238 1,273 1,307 1,342 1,380 1,419 1,460 1,503 1,547 1,594 1,640 1,687 1,732 1,776 1,808 1,830 1,840 1,838 | 1,022 1,044 1,068 1,093 1,119 1,145 1,171 1,198 1,225 1,251 1,277 1,303 1,328 1,351 1,373 1,394 1,412 1,429 1,445 1,460 1,474 1,486 1,496 1,504 1,522 | 1,019 1,039 1,059 1,079 1,100 1,121 1,142 1,163 1,183 | 1,0052 1,0113 1,0171 1,0228 1,0284 1,0337 1,0388 1,0436 1,0481 1,0523 1,0562 1,0598 1,0631 1,0660 1,0685 1,0707 1,0725 1,0740 1,0747 1,0748 1,0742 1,0726 1,0696 1,0644 1,0553 | 1,033 1,065 1,100 1,137 1,176 1,217 1,263 1,310 1,358 1,411 1,460 1,511 1,564 1,616 | 1,046 1,092 1,137 1,181 1,225 1,268 1,310 1,352 1,395 1,437 1,478 1,519 1,560 1,601 1,643 | 0,983 0,967 0,953 0,939 0,926 0,913 0,903 0,893 0,884 |
( 20)
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ω(%) | , /3 | ω(%) | , /3 | ||||
NaCl | Na2CO3 | BaCl2 | NaCl | Na2CO3 | BaCl2 | ||
1,005 1,013 1,027 1,041 1,056 1,071 | 1,009 1,019 1,040 1,061 1,082 1,103 | - 1,016 1,034 1,053 1,072 1,092 | 1,086 1,101 1,116 1,132 1,148 1,164 | 1,124 1,146 | 1,113 1,134 1,156 1,179 1,203 1,228 |
:
1. 200 15%- . .
2. Na2SO4∙10H2O 70 12%- .
3. 15% 40?
4. 2% 250?
5. 250 24 . , 1/?
6. Cr2(SO4)3∙18H2O 540 12%- .
7. CuSO4∙5H2O 100 3%- .
8. 50 CuSO4∙5H2O 4 . .
9. CuSO4, 100 0,3%-
10. 200 , 1,2 /, 20%, 60 . .
11. 250 5%- . .
12. Na2SO4∙10H2O, 80 2%-
13. 25% 400?
14. 8% 250?
15. 250 6 . , 1/?
16. 84%- (ρ=1,474/3) 250 10% ?
17. 37,23%- (=1,19 /3) 500 10%- ?
18. 100 40%- (ρ=1,437 /3) 15%- ?
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19. 12% 34%. 17% 200.
20. Cr2(SO4)3∙18H2O Cr2(SO4)3 11%, Cr2(SO4)3 30% 600.
21. 35%- (=1,2 /3) 250 13%- ?
22. 72%- (=1,64 /3) 500 10%- ?
23. 38%- 25% - 200.
24. 50% 8%- 30%- 1000.
25. 55%- 24%- 100.
26. 88%- 23%- 240.
27. 21% 81%- 51%- 1100.
28. 54%- 15%- 200 30%- .
29. 80%- (ρ=1,46/3) 220 15%- ?
30. 2r4 500 0,1 .
31. 10% 30%. 17% 300.
32. 65% ( 1,5/) 32% ( 1,2/) 100 50%.
33. 0,1 Na2CO3∙10H2O, 500 Na2CO3 0,2
34. 11,2 , 250 . .
35. 10 , 200 . .
36. , 42,6 300 , 1,12/.
37. , 4,6 200 , 1,12/.
38. 29,0% ( 1,2 /) 0,5 50?
39. 1000 1 .
40. 250 0,4 .
41. 84%- (ρ=1,474/3) 200 14%- ?
42. , 0,6 500 , 1,13/.
43. , 12 400 .
44. 1,156 /3, ρ= 1,143 /3, = 20% ρ=1,174 /3, = 24%.
45. 200 0,5 .
46. () 100 1 .
47. 150 0,3 .
48. 1,025 /3, ρ= 1,0228 /3, = 16% ρ=1,0284 /3, = 20%.
49. 1,32 /3, ρ= 1,307 /3, = 40% ρ=1,342 /3, = 44%.
50. 1,136 /3, ρ= 1,119 /3, = 20% ρ=1,145 /3, = 24%.
51. 1,2 /3, ρ= 1,176 /3, = 20% ρ=1,217 /3, = 24%.
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52. 1,58 /3, ρ= 1,56 /3, = 52% ρ=1,601 /3, = 56%.
53. 9,0% ( 1,1 /) 0,35 40?
54. 1,17 /3, ρ= 1,163 /3, = 32% ρ=1,183 /3, =36%.
55. 1,745 /3, ρ= 1,732 /3, = 80% ρ=1,776 /3, = 84%.
56. 35%, , ρ= 1,238 /3, = 32% ρ=1,273 /3, = 36%.
57. 26,3%, , ρ= 1,121 /3, = 24% ρ=1,142 /3, = 28%.
58. 77,5%, , ρ= 1,687 /3, = 76% ρ=1,732 /3, = 80%.
59. 1,49 /3, ρ= 1,478 /3, = 44% ρ=1,519 /3, = 48%.