URGENT What is the new concentration of 25 mL of an aqueous 0.50 M NaCl solution diluted to 100 mL? You must show all mathematical steps used to calculate the answer to receive full credit. pls answer in less than 30 mins :))

29.1-12=17.1the answer is this one

Where is the graph ?

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.

Sun is explosive itself spread 9 planets.earth is 3rd explosive in the solar system about 500 hundred million years ago . first earth became ice age and freezing climate.centre of earth magma. north zone is artic . south is anatric