A student is given 25.2 mol of CuSO4 and it is dissolved into 3 L of water. What is the molarity?

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Why are the trends and exceptions to the trends in ionization energy observed?

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.