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85.47 87.62 s 9191.22 92.9195.94 (98) 101.1 102 9106.4 107.9112.4114.8118.7121.S 127.6 126.9 1313 78 55 56 86 57 72 La Hr 73 74 75 76 77 79 S1 Hg so 82 $3 84 S5 Ir Pt 132913731389178.5180 9 183.9 186 2190.2192 2195.1 197.0200.6 204.4207 2 209.0209)210)|e22) Cs Ba Ta Re Os Au TI Pb Bi Po At Rn S7 SS 89 Fr Ra Ac 223) 226 227) A0.200 g sample containing arsenic (As) was converted to H3ASO4 by suitable treatment. 40.00 mL of 0.07891 MAGNO, was then added to the acid to precipitate arsenic quantitatively as AgzAsO4. The excess AGNO3 was back-titrated with 11.27 mL of 0.1000 M KSCN ; the Reaction was Calculate the percent of As,0z in the sample. 1. 05.47 2. 02.23 3. O11.15 4. O 66.92 5. O33.45

85.47 87.62 s 9191.22 92.9195.94 (98) 101.1 102 9106.4 107.9112.4114.8118.7121.S 127.6 126.9 1313 78 55 56 86 57 72 La Hr 73 74 75 76 77 79 S1 Hg so 82 $3 84 S5 Ir Pt 132913731389178.5180 9 183.9 186 2190.2192 2195.1 197.0200.6 204.4207 2 209.0209)210)|e22) Cs Ba Ta Re Os Au TI Pb Bi Po At Rn S7 SS 89 Fr Ra Ac 223) 226 227) A0.200 g sample containing arsenic (As) was converted to H3ASO4 by suitable treatment. 40.00 mL of 0.07891 MAGNO, was then added to the acid to precipitate arsenic quantitatively as AgzAsO4. The excess AGNO3 was back-titrated with 11.27 mL of 0.1000 M KSCN ; the Reaction was Calculate the percent of As,0z in the sample. 1. 05.47 2. 02.23 3. O11.15 4. O 66.92 5. O33.45

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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H Не 1.008 4.003 3 4 5 6 7 10 Li Be B N F Ne 6.941 9.012 10.81 12.01 14.01 16.00 19.00 20.18 11 12 13 14 15 16 17 18 Na Mg 22.99 24.31 Al Si P Ar 26.98 28.09 30.97 32.07 35.45 39.95 22 23 24 25 26 27 28 29 Mn Fe 19 20 21 30 31 32 33 34 35 36 Ni Cu Zn Ga Ge As Se Br Kr K Ca Sc Ti V Cr Co 39.10 40.08 44.96 47.88 50.9452.00 54.94 55.85 58.93 58.69 63.55 65.38 69.7272.59 74.92 78.96 79.90 83.80 38 39 37 40 41 42 43 44 45 46 47 48 49 50 51 s2 53 54 Rb Sr Y Zr Nb Мо Te Ru Rh Pd Ag Cd In Sn Sb | Te I Xe 85.47 87.62 88.9191.22 92.91 95.94 (98) 101.1 102.9 106.4 1079112.4 114.8 118.7121.8 127.6 126.9 1313 75 76 77 78 Os 55 56 57 72 73 74 79 so S1 82 83 84 85 S6 Cs Ва La Hf Та Re Ir Pt Au Hg TI Bi Po At Rn 132.9 137.3 138 9 178.5 180.9 183.9 186.2 190.2 192.2 195.1 197.0 200.6 204.4 207.2 209.0 (209)(210) (222) 87 89 Fr Ra Ac" (223) 226 (227) A0.200 g sample containing arsenic (As) was converted to H3ASO, by suitable treatment. 40.00 mL of 0.07891 MAgNO3 was then added to the acid to precipitate arsenic quantitatively as AgzAsO4. The excess AGNO3 was back-titrated with 11.27 mL of 0.1000 M KSCN ; the Reaction was Calculate the percent of As203 in the sample. 1. 05.47 2. 02.23 3. O11.15 4. O 66.92 5. O33.45
Transcribed Image Text:H Не 1.008 4.003 3 4 5 6 7 10 Li Be B N F Ne 6.941 9.012 10.81 12.01 14.01 16.00 19.00 20.18 11 12 13 14 15 16 17 18 Na Mg 22.99 24.31 Al Si P Ar 26.98 28.09 30.97 32.07 35.45 39.95 22 23 24 25 26 27 28 29 Mn Fe 19 20 21 30 31 32 33 34 35 36 Ni Cu Zn Ga Ge As Se Br Kr K Ca Sc Ti V Cr Co 39.10 40.08 44.96 47.88 50.9452.00 54.94 55.85 58.93 58.69 63.55 65.38 69.7272.59 74.92 78.96 79.90 83.80 38 39 37 40 41 42 43 44 45 46 47 48 49 50 51 s2 53 54 Rb Sr Y Zr Nb Мо Te Ru Rh Pd Ag Cd In Sn Sb | Te I Xe 85.47 87.62 88.9191.22 92.91 95.94 (98) 101.1 102.9 106.4 1079112.4 114.8 118.7121.8 127.6 126.9 1313 75 76 77 78 Os 55 56 57 72 73 74 79 so S1 82 83 84 85 S6 Cs Ва La Hf Та Re Ir Pt Au Hg TI Bi Po At Rn 132.9 137.3 138 9 178.5 180.9 183.9 186.2 190.2 192.2 195.1 197.0 200.6 204.4 207.2 209.0 (209)(210) (222) 87 89 Fr Ra Ac" (223) 226 (227) A0.200 g sample containing arsenic (As) was converted to H3ASO, by suitable treatment. 40.00 mL of 0.07891 MAgNO3 was then added to the acid to precipitate arsenic quantitatively as AgzAsO4. The excess AGNO3 was back-titrated with 11.27 mL of 0.1000 M KSCN ; the Reaction was Calculate the percent of As203 in the sample. 1. 05.47 2. 02.23 3. O11.15 4. O 66.92 5. O33.45
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