0.440 g of a substance dissolved in 22.2 g of benzene lowered the freezing point of benzene by 0.567 degree C . The molecular mass of the substance ( Kf = 0.5.12 degree kg C /mol ) 0.440 g of a substance dissolved in 22.2 g of benzene lowered the freezing point of benzene by 0.567 degree C . The molecular mass of the substance ( Kf = 0.5.12 degree kg C /mol ) December 14, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related