Day 5 - salts as acidic or basic, polyprotic acids (1)
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School
Assumption College School**We aren't endorsed by this school
Course
SCIENCE SCH4U1
Subject
Chemistry
Date
Dec 19, 2024
Pages
5
Uploaded by ChancellorField11271
Practice: Classify each cation as a weak acid or pH neutral: Wa ph el Wh ?h neapek wh (a) CsHNH* (b) Cs* (c) Cr’t (d) Li* (e) CH;NH;* (D Fe3+ WA Page 1 Practice: Determine whether the solution formed from each solution is acidic, basic, or neutral. (a) KCl (b) AlBr; (c) MeNH;NO; (d) HCOONa (e) NH,F $Cl VR (’L\Mu{wtf SokCL s Fh el ¢ (1= F[/l pouba, | |5 basic cooNa 19 HCOONG o 1o~ weale buse J ((,On)ufiafe base o= ph fectha o HCooH Page 2
/ \ ‘\fi) T o= :‘Yh V\‘&h’lfi, (M\’, of S’I"\)’\j QGP() MQN“;- = Wedk\g adr gorkic salufion Page 3 NHHF ———— F- = wat Lse ka>‘kb J b =28 x o S.aodie NHL{F = Wefik gl l(ng,é;%x(o"o HE oz 35407 NHy b= [ F6xlp™ lé = J-/W = LOX’D—M R TN > st {‘/b | 76 Ny .y &67\(0“” = 5pgx(07° Page 4
/ qcdic HA's 1. Find the pH of a 0.100 mol/L solution of ascorbic acid (H2C6H6O§). K, =8.0x107 H afl + HO ? HCbH(,o@“‘* 7/(:6 b ('(“Z) D(n (ag) (44,) I 0100 0 0 . P C - R +N\ £ 00X X 74 z kf_,[%%m‘][fla@ o B0kI0T =K (Dl (oek 0.(00 = [H,0) = 283 7% mlf| PH: —/lo? (2.83% f0"3>= @ Ml U o 2. Find the pH of a 0.050 mol/L solution of carbonic acid (H,CO;). K,; =4.3 x 10”7 Page 5 - + ‘H)M";(!&‘) + ‘HDO(Q) {——} 4—!003 r .H}D (45) (‘L) c - +X b x £ 0.050-%x n N A koo Do X0 o yaen®= % [Hios ) Pale 0-0S Ko [HF) = et il f””“@ (e @ Page 6
Ap {otVoolt A Gase meff‘”“ £ Tons + Salt's (cort'd) (Po 'DP mlv‘c fomls Page 7 Page 8 :H'qu, qq) h)l) 0 E 163, 109
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