Question

Writing Chemical Equations: Results Toto, AtHMED Name Date Partners Instructor Section Results Testing the Solubility Rules and Reaction of Precipitates with HCI Column A Column B Column C Column D NaBr Na SO NaOH Na:CO Aftte dey Sreah to hu le NH4NO NR NR N2 perenetrte anget N cloudy eleely Slegoth Whi'te NA Ba(NO)2 Whute leromegenens Chonks Nhuenytle pretrpitate white Brewn yelle black hatero hikno predpi fake AgNO hetero wery Lte cledy blag ceh hitt uhile eleyly fruritnta white Pb(NOs)2 Per cipaitate whiteatot Cet blue ish hent Cilkle white eludy White preeipitate tet NR Ni(NOs)2 Unknown All compounds used in this experiment contain either Na or NO3. What is the importance of this fact? Post Laboratory Questions 1. Write balanced molecular and ionic equations for each reaction that produced precipitation Compound Molecular Equation Net lonic Equation -61-

Answer 1

Na No molecalor Gτρν 2NO 2Na No (a Ba So Ba euday 2Na +o get 4ation het conic eanderlined S nua anmert Ean al spectatov cons Ba So 2+ 2- BaSOLs) -> 2NANDS LA BaCNoa -Bacosc 2 2 2- Ba conic Ba Co3 (s Net 21 Nα N3ai). AjwosCay + Na O H -+ +6k Ag ta Net tonic +6H

2 NoNO3 Ca4 72N& BY 4 La4 t -> nelecula Ph2+ 2Na 2 B7 C4q) caG) 2 Na No Net Lonic p Ph Br2(s) 28Y CAG 2+ Pb -> NO3 LaW eculay 2 Na Ph 504 + Ph(No Na2 cag 2No 2 NaAhS Ph S06 27 Ph 2 rea2Nosa 2 Na (52 N&t tonic. 2.4 Ph t6(01721 - 2N9NO3 L4g, 2Ls +2N4014 Net Coni c 2+ 20tcay7 2NO2NO2 NA2C3 CaG Pb (o 3 (s) + Net conic. 2+ Co3 Cag Pb co Ph

2 NaA (04) (44 molecalaY Ni 2 +2Naot (44) 9) (a4 21 Ni 20 H 2 cay Net coi c hmolecula Na NU3 AS BYCS Na Br Can BY CAG Ag No3 Caa) Net ConiC AG BY LS + Ni(N O Ni Coz at 2 Na No, Nazlo ( 2 2 molecular 2- 2ナ Ni hut coni
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