The SI unit that can be used to express mass is ?

What are the coefficients to balance the following equation? ba+br2=babr2

Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive

How many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride