1) (Calculate the formula mass (in grams) for each of the following; a) KCl b) NaaPO4 c) C6H12O6 d) Fe2(CO3)3 2) Calculate the number of moles contained in: a) 13.5gofH2O b) 17.8g of NO2 c) 21.6g of NiS2 3) Calculate the number of grams containing: a) 0.25 moles of CO2 b) 0.34 moles of O2 c) 1.16 moles of CaCl2 4) Balance the following chemical equations: a) BaCl2(e)+K2CO3(a)BaCO3(a)+KCl(eq) b) P2H4PH3+P4 c) MgCl2(0)+NaBr(10)NaCl(10)+MgBr(2)0) 5) Classify the following reaction: Fe(0)+CuSO4(e)FeSO4(a)+Cu(0). a) Combination b) Decomposition c) Single replacement d) Double replacement