M Mallory New member Apr 24, 2010 #1 A 3.0g sample of Na2CO3•H2O is heated to constant mass. How much anhydrous salt remains? I was told to subtract the percent of H2O from 100 and multiply by 3 but that gave me a really big number! help please! thx
A 3.0g sample of Na2CO3•H2O is heated to constant mass. How much anhydrous salt remains? I was told to subtract the percent of H2O from 100 and multiply by 3 but that gave me a really big number! help please! thx