What is the molarity of a solution made by dissolving 20.0 g silver nitrate in 225 g of water? Show your work

Why is the melting of ice a physical change ?

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.

How many atoms are in 2 moles of phosphorus