Calculate how many moles and grams of aluminum chloride can be made from 2.70 g of aluminum and 4.05 of chlorine. find the mass of aluminum chloride 2Al(s)+3Cl3(g)---2Alcl3(s). The specific heat capacity of copper is 0.365J/(g*C). how much energy is required to heat 168-g of copper from -12.2 C to +25.6C?