On the basis of the information above, a buffer with a pH = 9 can best be made by using A pure NaH2PO4

B H3PO4 + H2PO4–

C H2PO4– + PO42–

D H2PO4– + HPO42–

E HPO42– + PO43

Aside from human impact, which of the following causes less water vapor production over a small area? (2 pderivartin

What happens when the temperature of a solution increases?

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!