A) 380; 80
C) = 80; S(70°C) = 140].
A) 380; 80 B) 294; 44
C) 360; 44
D) 180; 47,3
Natriy nitratning 1440 g toymgan (70°C dagi) eritmasi 15°C gacha sovut
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Ñáîðíèê: Kimyo
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