The vapour pressure lowering caused by the addition of sucrose ( molecular mass = 342 ) to 1000 g of water if the vapour pressure of pure water at 25 degree C is 23.8 mm Hg The vapour pressure lowering caused by the addition of sucrose ( molecular mass = 342 ) to 1000 g of water if the vapour pressure of pure water at 25 degree C is 23.8 mm Hg December 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related