What is the boiling point for a solution that contains 15 g of MgF2 dissolved in
350 g of water?

101∘ C, Hope this helps!

668900 atoms in total

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.