A compound is analyzed and found to contain 0.382 g Li, 7.513 g 0, and 2.776 g Cl. What is the percent composition by mass of lithium in the
compound?

The compound methyl butanoate smells like apples. its percent composition is 58.8% c, 9.9% h, and 31.4% o. what’s the empirical formula ?

Enzymes affect the reactions in living cells by changing the

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!