What is the molar mass of ethanol ( =2H5OH) in g/mol? (Answer to three decimal places. Use the following atomic masses to solve:Carbon: 12.011 Hydrogen: 1.0080y : 15.999 *

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!