Atomic Theory Timeline On USA TEST PREP (I have to list part by part but idk the story sooo)

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

Which description best characterizes the motion of particles in a solid?