What make coca cola a solution and what are the actual particle size ranges?

Calculate the number of molecules present in 0.750 mol of mgo.

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.