You have a 100. ml of a 0.25 M K2SO4 stock solution, You want to create a 0.10 M solution you would have to add water until what new volume would be reached?

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.