1. , 120 , 105 . .
:
, ,
- , . . 0 0,7 - , 0,8 1 - .
, 0,7, , .
: = 0,875, .
2. () , 10 10%.
:
10% ,
10000 1000 = 9000 .
, , CaO
CaCO3 = CaO + CO2,
40,07 +12,00 + 316,00 = (40,07 + 16) + (12 + 2 16),
100 = 56 + 44.
: 5040 .
4.3 ,
Al | 26,97 | Cu | 63,57 |
H | 1,00 | Na | 23,00 |
Fe | 55,84 | S | 32,06 |
K | 39,10 | C | 12,00 |
Ca | 40,07 | P | 31,02 |
O | 16,00 | F | 19,00 |
Si | 28,06 | Cl | 35,46 |
Mg | 24,32 | Zn | 65,38 |
Mn | 54,93 |
3. , / = 0,4. 18% . 3,1/3.
:
,
,
1 0,69 = 0,31.
: 31%.
4. 12% ( ). 1%. 2,60, 2,30. : 1 0,5 .
:
CaSO4 . 0,5H2O+1,5H2 = CaS4 . 22.
4.3,
145 + 27 = 172.
|
|
1 0,57 = 0,43.
: , 1% - 1,01, 12%,
: 1478 /3, 43%.
1. , 130 , 100 . .
:
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:
2. () , 15 9%.
:
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:
3. , / = 0,45. 20% . 3,1/3.
:
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:
4. 14% ( ). 1,5%. 2,55, 2,25. : 1 0,5 .
:
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1. ( ).
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1. - __________________________________________________________________
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2. - ________________________________________________________________
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5. - _______
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6. - _____
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8. - ________
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10. - _______
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11. - _______
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7 ;
10 ;
1.
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