Lab 8 PostLab - Eq

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Unformatted text preview: KBr(s )--> K^+ (aq) + Br^-(aq) www.webassig nment- Responses/view_key?dep= 7011484 7/10 11/2/13 Lab 8 PostLab - Eq . and LeChatelier ' s Pr inciple (ii) F ePO4 F ePO4(s) → F e3+(aq) + PO 34 (aq) F ePO4(s) → F e3+(aq) + PO43-(aq) FePO_4(s ) --> Fe^+ 3(aq) + PO_4^3-(aq) (iii) KClO4 KClO4(s) ⇌ K+(aq) + ClO4-(aq) KClO4(s) → K+(aq) + ClO4-(aq) KClO_4(s ) < = > K^+ (aq) + ClO_4^-(aq) (b) T he c onc ent rat ion of c at ions and anions in solut ion c an be predic t ed f rom t he equat ion [c at ion] = Ksp f or ionic solids in whic h t he rat io of c at ion t o anion is 1:1. Calc ulat e t he [c at ion] c onc ent rat ion of a sat urat ed solut ion c ont aining t he salt s below. Indic at e if t he reac t ion pref ers reac t ant or produc t at equilibrium. Material Ks p [cation] Equilibrium Preference reac t ant KBr 3.25 ✕  101 5.70 5.70 produc t reac t ant F ePO4 9.92 ✕  10−29 9.95e- 15 www.webassig nment- Responses/view_key?dep= 7011484...
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