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o 2011, 2009 Cengage Leaming Post-Laboratory Assignment 1. Consider the possible sources of error listed and briefly describe the effect of each on equilibrium. a. Step 2: Indicator was added to well #A5. b. Step 8: You failed to add two drops of water to well # A1. EQUIL 0494R Step 18: You forget to add 1 c. Step 18: You forgot to add 15 drops of water to the saturated NaF solution. Titrations the saturated Not station (1 d. Step 25: You added 3 M NH(aq) to the solution of Pb(NO3)2 instead of NaOH. tion of Pb(NO3), instead of 2. What is the color of each of these complexes or compounds? Cu(OH)₂ (s) [Cu(NH₂)]²+ (aq) Fe4[Fe(CN)613 (s) [Fe(F) (aq) NH,(aq) [Pb(OH)₂1²(aq) [Fe(SCN)]²+ (aq) 85

3. In Part A of the procedure ammonium chloride, NH,CI, was added to aqueous ammonia to change the position of equilibrium of the base. Is there an equilibrium involving either ion, NH, (aq) or Cl(aq), in water solution. If so write the chemical equilibrium equation for that species. instangise A vojszods. 4. Explain using equations the process by which you determined the order of stability in Step 23. TAS