Question

e. 4 23. (z1-MC-11) Addition of Ca(NOs)2 (ag) to which solution produces a precipitate? a. NH C2H302 (aq) b. Pb(NO)2 (aq) c. NasPO4 (aq) d. K2S (aq) e. Nal (aq) 24. (Z1-MC-13) If excess magnesium is added to 100. mL of 0.500 M hydrochloric acid. how many moles of MgCl formed? Mg (s) + 2 HCl (aq)-. MgCl2 (aq) + H2 (g) a. 0.05 b. 0.025 c. 0.0025 d. 50 e. 25 25, (ZI-MC-14) when 0.50 moles of lithiumis reacted with excess nitrogen 0.15 moles of lithium azide (LiN;) are formed. What is the percent yield of the reaction? a. 15% b. 30% c. 45% d.6096 e. 90% 26. (zi-SA-3) write balanced molecular, complete ionic, and net ionic equations for the reaction of a. Na,SO, (aq) and HNO, (aq) Na NO Na ,so b. KCO, (aq) and Fe(NOs)s (aq) ..er) 3C0. @Fel. .RDm , (eesjere, Fl..,ar Chapter 4 Part II & IV Titration & Redox.doc to
23-24-25 plus explanation plz

Answer 1

Addition of c))o P() () soluioh Produeee a mecipitale (99) Preci ptale Eanation Because Pb hae capacir to form preeipite F ecers magne sium e added to 1oo ml oF 0 50om Hydvochloric adis, 0.035 molee of mgelz fown Explanation.- Hydrochtoi c cid doep not give 100% moles oith magnecium, because chlorine more chom'-and-good.一Nurleophile-ㄧㄧㄧㄧㄧㄧㄧ electNonetrve hoyn 05 moleg of (aD: 60% yield of the reaction ㄧㄧㄧㄧㄧㄧㄧ Angwer35 lithi um azide (LiNa) are Fomed