1、(1) 123-123 - ?naohnaclk2so4cu-naohk2so4 naohk2so4? ?cunaclnaohk2so4co2naclh2ocuk2so4naclco2co2h2oh2co3h2co3co2co2 ?11?()ch3coohnh3h2o ?()naclch3cooh1.naclnaoh()2.nh3h2och3cooh3.()baso4caco3agcl?ch3cooh?bso4caco3agclh3coohh2so4-b(oh)2?b(oh)2 b(oh)2h2so4=bso42h2o? 121naclnaoh2nh3h2och3cooh3?hclh2so4h
2、no3 kohnaohba(oh)2naclagno3 h2sh2so3ch3coohnh3 ?h2ocu(oh)2h2op18111()2.2() hclh2so4hno3 1. 2. 1. 2. - 1 nacl naoh h2so4 h2o fe ca(oh)2 caco3 2 3 31 41.()a. b. c. d. 2.()a. b. 2-c.ch+=2c(s)d.3.- 2+2-2+-+2-+-a.cu so4 b.cuclc.kso4 d.ag no3 () 1. 2. 1. 2. 15ml 1mol/lcuso45ml 1mol/lnacl s t-scuso4naclt (
3、)tcu2+so42-na+cl-25ml 1mol/lcuso45ml 1mol/lbacl2()s tsbaso4cu2+ ttba2+so42-ba2+so42-cu2+ cl- () 1. ba2+() 2. bacl2so42-() 3. cl-(-)()t cu2+ + so42-baso4 + cu2+ + cl-ba2+ +cl-tcu2+cl-?ba2+ + so42- = baso4 t() ()th+oh-h2ot 1.nahco3nahso4nahco3 = na+ + hco3- nahso4 = na+ + h+ +so42- 2.-caco3 + 2h+ = ca
4、2+ + h2o + co2 hco3- + h+ = h2o + co2 cu2+ + fe = cu + fe2+1.()nahso42. al3+so42-ca2+mg2+so42- -1 23 4 - hcl ca(oh)2 kno3 co2 hg nh3 koh p141-1 nahco3nahso4h2so4 al2(so4)3 bacl2 nahso4 nahco3 1 1- 2 3 4 cucl -ba2+ + so42- = baso4 2 3 4 2+- naohkoh h + oh =h2o h oh h2o +-+- - -nahco31mlbacl21ml nahco3co3 nahco3 nahco3cu2+ + 2oh- = cu(oh)2 - 1na2co3k2co3nh42co3
