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

80. (v20/21-110-6) Biror tuzning 80В°C dagi eruvchanlik koeffitsiyenti uning 20В°C dagi eruvchanlik koeffitsiyentidan 1,5 barobar kop. Agar shu tuzning 80В°C da toyingan 320 g eritmasi 20В°C ga qadar sovutilganda 40 g tuz chokmaga tushishi malum bolsa, shu tuzning 80В°C dagi eruvchanlik koeffitsiyentini aniqlang. A)60 B)40 C)30
D) 45