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यूरिया के एक जलीय विलयन का हमांक `-0.52^(@)C` है. `37^(@)C` पर इस विलयन का परासरण दाब ज्ञात कीजिए .(विलयन की मोलरता एव मोललता समान मान सकते है .) (जल का हिमांक अवनमन स्थिरांक `K_(f)=1.86`)

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Correct Answer - 1 वायुमण्डल
मोललता `(DeltaT_(f))/(K_(f))=(0.52)/(1.86)=` (मोलरता `DeltaT_(f)=0.00-0.52^(@)=0.52)`
परासरण दाब =CST
`=(0.52)/(1.86)xx0.0821xx(273xx37)`
परासरण दाब `=7.1` वायुमण्डल

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