Question

please help me solve for C1 and C2 using the simultaneous equation for quant analysis chemistry lab

Аавы Аавьс Аавьса AaBbcc 1 Аавьсcle Aabbccle Heading1 Heading 2 Heading 3 Heading 4 1 Normal 1 No Spac... → Font Paragraph Table 3. Raw data for the simultaneous equation solution, Absorbances of U1 and U2 are read at the specified wavelengths Imax, 1, and Amax, 2. Slopes are given in previous figures (calculated by Excel) (8 points) max, at max, 2 0.0381 Benzoic acid slopes 0.2659 Caffeine slopes Absorbance of U1 Absorbance of U2 03957 0.1391 0.996064186 0.590071082 0 563291192 0.307052285 Simultaneous equation sample calculation for U1 (4 points) 0.9960642 = 0.3957(C1) +0.1391(C2) C1 = 0.9960642-0.139:02) 0 5632912 = 0.0381(C1+ 0 2659(C2) Caffeine: 0.5632912 = 0.98606422013002 - 0 2659(2)

Answer 1

given simultaneous eanations are as follows: o. 9960642 = 0.3957 ( +0.1391 (62) C = 0.9960642-0.1391 (cz) 0.3957 o. 5632912 = 0.0381(a)t 0.2659 (C₂)

б. 3 9 o.o3s1 [о. 99 6642 - о. 1391 (c) б. 395 st, . 2 6. 563 9 – о. О3 + 95oo46o2. – о. оо5991 (с +0. 2 C5 ( 2 ) б. 395

o563 — о. o3195oo4o2 — ол оо 52 53 7 (с) + о. 2659 (c) x о. 39 51 о. 33 5 — О. оз+95 оочсо2 — 0.59st (c) to. | o5 з о. 3s 5 с. Бc39 919 — o.o3195 оочCo2 + - 999ca (c) О. 355

3632912xo.3957 -0.03795004602 to 099916gnl s.2228943278.4 -0.0379500460.2 to o og99169 (cz) = Carl = 0.22289432784 -0.03795 3295004602 0.09991692 (C2) = 0.184944282 o.184844282 L = 1.85098061 o.o9991692 (caffeine) C₂ = 11.85058061 Answer answer Benzoic acid o. 9960642 = 0.3957 (c.) to. 1391X (Ca value] =0.3957 (c) to. 1381 X 1.85098061 o.9960642 -0.3957. (e) + o.257471403 3957 (c) = o-9960642 -0.257471403 0-3957(4) = 0.738592792 0.738 592797 0:3957 = 1.866 54738 Hence, ca=11.86654738 I a Answer