CHEM 1211K : CHEM 1211 Practice Question Bank Key

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The compound has a molar mass of 283. 88 g/mol. 1: what are the spectator ions in the reaction of aqueous solutions of pbcl2 and. Li2so4 ? (a) li+ and cl- (b) pb2+ and so42- (c) li+ and pb2+ (d) so42- and cl- (e) li+ and so42: the active ingredient in baking soda is nahco3. 2nh3(g) + 3cuo(s) n2(g) + 3cu(s) + 3h2o(g) (a) 4. 30 g (b) 10. 6 g (c) 14. 9 g (d) 29. 8 g (e) 31. 8 g. A) 7: 4, 3. 5, 1. 75, 2, which ionic compound below is insoluble in aqueous solution? (a) lioh (b) caco3 (c) k3po4 (d) (nh4)2so4 (e) fecl2. What is element x: what are the coefficients represented by a and b, respectively, in the balanced chemical reaction, b, ti, mg, c, there is not enough information to answer the question. ___ sro(s) + ___al(s) __sr(s) + ___al2o3(s) D: 1 and 1, 3 and 2, 2 and 3, 1 and 2, 2 and 2.