300.0 ml of a .250 M Na3PO4 solution is combined with 400.0 ml of a 0.500 M Pb(NO3)2 solution. How many grams of solid lead phosphate will be produced by the reaction. Assume 100% yield

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.

H tricky one let me think and get back to u