¿Cuántos gramos de NaCl debemos pesar para preparar 320 ml de solución 4,5 % (m/v)?

8. what happens to matter during a chemical reaction

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.

What items could scientists use to date a layer of rock