kolloidlarning osmotik bosimi

kolloidlarning osmotik bosimi kolloid eritmalarning hajm birligida zarrachalari soni kam bo‘lgani uchun ularning osmotik bosimi (shuningdek, 35 ularda erituvchining muzlash temperaturasining pasayishi ham) juda kichik bo‘ladi. xuddi chin eritmalardagi kabi bu erda ham gaz qonunlarini tadbiq etish mumkin. kolloid eritmalar uchun mendeleev-klapeyron tenglamasi quyidagicha yoziladi; p v =rt/n yoki p /v rt/n bu erda v kolloid zarrachalarning kontsentratsiyasi, ya`ni kolloid eritmaning hajm birligidagi zarrachalar soni, n – avogadro soni, p – osmotik bosim. kolloid eritmalarning osmotik bosimini o‘lchash va mv grt p formuladan foydalanish natijasida kolloidlarning molekulyar massalari topiladi. ana shunday usul bilan zerensen tuxum al`buminining molekulyar massasi 43 400 ekanligini, ader gemogl...

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