Modify the structures of aspartic acid to show its structure at each ph. You may need to add or remove atoms or bonds, and you will need to add charges where appropriate. Include hydrogen atoms.

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

Why is permeable soil best for plants that need a lot of drainage?

What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?