What is mass when density is 9.51 and volume is 9.26

Density = mass / volume

9.51 = m / 9.26

9.51 * 9.26 = m

m = 88.0626

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.