A) 750; 250
C) = 10; S(120°C) = 50].
A) 750; 250 B) 500; 167
C) 450; 150
D) 600; 200
Natriy sulfatning toyingan (120°C da) eritmasi 25°C gacha sovutilganda
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Ñáîðíèê: Kimyo
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