.
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.
10,0 , 2
.
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³ .
. 10,0
, 1-2
.
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4
: . 1
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: (10 - 15 )
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.
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5
: . .
:
2KMnO4 + 5H2C2O4 + 3H2SO4 = K2SO4 + 2MnSO4 + 10CO2 + 8H2O
-,
, Na2C2O4.
(
), .
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, 5 2 . ,
70-80
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6
: . .
:
K2Cr2O7 + 6KI + 7H2SO4 = Cr2(SO4)3 + 3I2 + 4K2SO4 + 7H2O
I2 + 2Na2S2O3 = 2NaI + Na2S4O6
1.) .
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.
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10 10 % .
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8
: . . .
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NaCl + AgNO3 = AgCl↓ + NaNO3