A bottle of PbSO4 contains 158.1 g of the compound. How many moles of PbSO4 are in the bottle?

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

When a scientific theory has been tested and proved by the scientific community, it becomes a law

What are the constituent metals of stainless steel?