The relative lowering of vapour pressure produced by dissolving 71.5 g of a substance in 1000 g of water is 0.00713 . The molecular weight of the substance will be The relative lowering of vapour pressure produced by dissolving 71.5 g of a substance in 1000 g of water is 0.00713 . The molecular weight of the substance will be December 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related