Common salt obtained from sea water contains 95 % Nacl by mass. The approximate number of molecules present in 10 g of the salt is Common salt obtained from sea water contains 95 % Nacl by mass. The approximate number of molecules present in 10 g of the salt is November 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related