To prepare 750 mL of .25 M Nacl, measures out grams of NaCl and issolvr in enough water

Nan element’s square on the periodic table, the number with the greatest numerical value represents the

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state. a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car

Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12