1.) how many grams is 1.09 moles of Mg3N2? 2.) How many moles are in 7.55 g of KBr?
3.) what is the mass, in grams, of 0.48 moles of Na2O?
4.) how many moles is 14 grams of SrCI2?

Does the energy in a solid increase or decrease when changing to a liquid?

Using the periodic table, complete the table to describe each atom. type in your answers

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount