. (/ ); / ) ( 1).
1.
/ (/ ) | ||
1 | ||
1 | ||
1 NaNO3 | ||
1 3 | ||
1 NH4OH | ||
CH3COONH4 (CH3COOH + NH4OH → CH3COONH4 + H2O) |
1. . ?
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2. , ().
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3. .
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2.
2.1.
: , 1 0,1 . ()2.
2.
CH3COOH | |
1 3 | |
0,1 M CH3COOH |
1. ? ?
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2. . , , , .
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2.2.
) NH4OH NH4Cl .
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|
|
1. NH4OH NH4Cl.
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2. OH . NH4OH ?
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3. . ?
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.
:________________________________________________________
1. CH3COOH CH3COONa.
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2. , - (CH3COO) . + ?
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3. , .
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3. .
. , NaCl Al2(SO4)3. 3.
3.
NaCl | |
Al2(SO4)3 |
1. , NaCl.
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2. Al2(SO4)3 ? .
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3. ? ? - Al2(SO4)3 ?
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4. , .
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5. Al2(SO4)3 ? .
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|
|
Na2CO3.
:_____________________________________________________
1. , . ? ?
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2. - . , ? ?
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3. , .
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4. ? .
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4.
. ½ .
:_______________________________________________________
1. ? - . ?
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2. OH . ?
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3. .
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(1-2) Al2(SO4)3 Na2CO3.
.
1. - .
2. .
1. - ,1 HCN. , pH HCN 3?
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2. pH OH NH4OH , 0,01? .
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3. - CuSO4 Na3PO4.
? .
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4. pH 0,5 AlCl3, . - .