Calculate the molarity of a solution that has 1.6 L and 25.5 grams of LiF. A. 0.61 M

B. 1.6 M

C. 16 M

D. 0.063 M

You know how the first one if filled up like the objects do the same but with the other categories

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.

Maybe you should get some from your teacher and learn more so you can get your grades up and maybe study a bit more