An aqueous solution of H2SO4 has a concentration of 0.750 M and a density if 1.046 g/mL. What is the mass percent of H2SO4 in this solution?

Its strengthits conductivity of heat and electricity its shiny colourmalleable and ductility

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.