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img108 - ID:A 13 Which salt forms Mucous solution with...

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Unformatted text preview: ID:A 13. Which salt forms Mucous solution with thghighestH? 2r NaNO; \B t “x i" 13:29 w‘ v ' 3 t \\ d. Ca(ClO4)2 0-05 Leo» Co) 3 We 9 W 14. ich salt forms a 0.10 M aqueous solution with the lowest H? /a.’ MgC03 ,1)? NaCl will be @ acidic because Ka of HF is greater than K], of CN‘. b. basic because Ka of HF is greater than Ka of HCN. c. basic because Ka of HF is greater than K, of CN'. d. basic because Kb of F‘ is less than K, of CN‘. e. neutral because the weak acid neutralizes the weak base. 16. Given the following acid dissociation constants, K, (HF) = 7.2 x‘10-4 \ \ Ka (NHf) = 5.6 x 10-10 K/P‘ determine the equilibrium constant for the reaction below at 25 °C. ” HF(8Q) + NH3(aq)fNH4*(aCI) + F'(aq) a. 4.0 x 10"3 b. ”No.3 ”Hf/7+ QI'Q/‘gf\\f’)\k may 7.23m“! c. 7.8x10'7 ,_ , ' , ,2 ,. @ 1.3x106 NPR + ”2/5 Z H.413" lr‘MQ 5.lo>,<lo"~° e. 2.5x10l2 I 1 ix (,1 , K x ' “A, -q 1,“: \W’NH‘) ‘S-thfl‘“ F>\) Z; 17." {O (sbxm'w) k 2 [$35.qu1 Lgx ‘bb ...
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