120 How many grams of sodium metal are needed to make 29.3 grams of sodium chloride? Given the reaction: 2Na+Cl, 2NaCI A) 46.0 23.0 E) not enough information 13) What is the excess reactant for the following given we have 3.4 moles of Ca(NO32 and 2.4 moles reac of Li3PO4? Reaction: 30 a(NO, 2Li Po, 6LiNO, +Ca, PO,), A) Ca(NO3 B) Li3PO4 D) Ca3(PO4)2 E) not enough information 4) Hydroxy lami ne nitrate contains 29.17 mass N, 4.20 mass H and 66,63 mass O. Determine its empirical formula. a) HNO b) H2NO: c) HNO e) H2NOh,