Why the change? CH3COOH tells us what the structure is, whereas with C2H4O2 we have to guess. [[User:HelpJazz|Help]][[User talk:HelpJazz|Jazz]] 23:28, 6 March 2008 (EST) | Why the change? CH3COOH tells us what the structure is, whereas with C2H4O2 we have to guess. [[User:HelpJazz|Help]][[User talk:HelpJazz|Jazz]] 23:28, 6 March 2008 (EST) |