2 copper and 6 chlorine - How many atoms are in 2CuCl₃?, Ca + HCl --> CaCl2 + H2 - Find the equation Calcium reacts with hydrochloric acid to form calcium chloride and hydrogen, 4 hydrogen and 2 oxygen - How many atoms are in 2H2O?, 3 magnesium and 6 chlorine - How many atoms are in 3MgCl2?, 2BeO --> 2Be + O2 - Find the equation beryllium oxide reacts to form beryllium and oxygen, 6K + N2 --> 2K3N - Find the equation potassium and nitrogen react to form potassium nitride.,

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