Biror tuzning 80°C dagi eruvchanlik koeffitsiyenti uning 20°C dagi eru




88. (v20/21-122-24) Biror tuzning 80°C dagi eruvchanlik koeffitsiyenti uning 20°C dagi eruvchanlik koeffitsiyentidan 2,5 barobar kop. Agar shu tuzning 80°C dagi toyingan 300 g eritmasi 20°C ga qadar sovutilganda 60 g tuz chokmaga tushishi malum bolsa, shu tuzning 80°C dagi eruvchanlik koeffitsiyentini aniqlang. A)50 B)20 C)30 D)75

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: Kimyo
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