Question

Acid Acetic Ammonium Formula CH:COOH NH4+ H2BO: Boric Carbonic H2CO3 HC1O2 HCOOH Chlorous Formic Hydrocyanic Perchloric 1.8 x 105 5.6 x 10-10 5.4 x 10-10 4.5 x 10-7 4.7 x 10-11 1.1 x 10-2 1.8 x 10-4 5.2 x 10-10 Very large 6.9 x 10-3 16.2 x 10-8 HCN HC104 Phosphoric H3PO4 14.8 x 10-13 Formula NH Base Ammonia Hydroxide Methylamine Pyridine OH Kb 1.8 x 10-5 Very large 5.0 x 104 1.7 x 10-9 CH3NH2 C3H5N

Calculate the equilibrium concentrations of all chemical species present in a 0.10 M H₂CO₃(aq) solution. What is the percent ionization of the acid and resulting pH?

[H₂CO₃] =   

[HCO₃^-] =   

[CO₃^2-] =   

[H₃O⁺] =   

% ionization =   

pH =   

Answer 1

Here is the solution of your question. If you have any doubt or need any clarification please comment in comment box and will definitely resolve your query. If you find useful please upvote it. Thanks in advance.

| H, co 3 2, H2 + H2O I(M) C - - CCM) -c& tcx +4 E(M) coca ca ca _key = [n+][1605) - xxcx [12003] Eli-x) ka, = 6x2 as ka, is very small 12 2.1-x) Q=/ka, 4-5x107_2.1863 [H+] = Ca = 01 x2:/Xe 1. = goix 10-4M pH = -log[**] = -log [2.1X10*2 pH = 3.67 [190] = 2.1x1004 [120*] = [+coc] - 2.1200" % ionization ax 100 = 2,1*10X100 % ionizatim = 0.21% [H,Coa) = C-CQ = 0.1-O.1X 211x10-3 [13c01-9.98x102M1 Now Heozo → H® + Co. Key = [+][ 6034] HCO3] _[6032] = kg * [Hco3? - 47x16" x 2.1xby [H - 20x304 [Coza] -[4-7x107m scared with CamScanner