How many liters is needed to make a 6.25M solution when you have 8.2g of MgCl2?

10. according to the law of conservation of mass, how does the mass of the products in a chemical reaction compare to the mass of the reactants?

How do the energy differences between the higher energy levels of an atom compare with the energy difference between the lower energy level of the atom

Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)