:
1. ;
2. ;
3. 37;
4. .
: 37 , - 2 . . 1 1 . 2 , 30 , , 5060 , . , . .
. .
15 60 37 57 , 2025 611 , 1525 1535 .
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. 0,5 . . . , 3 , , 510 . , .
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. 0,51 , 35 5060 1015 , . .
10
10 20 10% NaOH 3-5 . . .
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, , , . , .
|
|
, :
1) ; 2) , 0,1% ; 3) 1, ; 4) 1, 0,9% .
1. , 100; 75; 50; 25; 6,25 3,125 1 0,9% N301. 5 0,1% 0,1 .
2. 5 0,1% 0,1 . 30 5 1 24 37 ". . 0,1 5 , 530 10 .
, , . . . , 60 /, , , 25 /. : 60 100%, 25 %; = 40%. , , 92%.
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