What is the difference between a precipitate and a solution?

As nouns the difference between solution and precipitate is that solution is a homogeneous mixture, which may be liquid, gas or solid, formed by dissolving one or more substances while precipitate is a product resulting from a process, event, or course of action.

its first and third is your answer i did the qustion the fourth isnt right

fe 55.85 g/mol and h2o 18.02 g/mol.