6. Tron(11) ion salts, such as FeSO, 7H,O, react with the organic compound ortho-phenanthroline(phen) to form red coordination compounds with formulas such as Fe(phen),SO4. Such compoundshave an analytical wavelength of 510 nm.(1) A standard solution containing Fe(phen),SO, was made by dissolving 0.0139 g of FeSO4 · H20,with a molar mass of 278.05 g mol-1 in 500.0 mL of water containing excess phen. The solutionhas a %T of 36.5% at 510 nm. A 500.0-mL solution with unknown Fe(phen),,SO4 concentration hasa %T of 64.3% at 510 nm. What is the molar concentration of Fe(phen),SO4 in the unknownsolution?

Answered: Image /qna-images/answer/0e7d77de-8cf8-4f80-989f-47a5b07b565a.jpg

6. Iron(II) ion salts, such as FESO, · 7H,0, react with the organic compound ortho-phenanthromne phen) to form red coordination compounds with formulas such as Fe(phen),,SO4. Such compounds have an analytical wavelength of 510 nm. (1) A standard solution containing Fe(phen), SO, was made by dissolving 0.0139 g of FeSO4 · 7H;O, with a molar mass of 278.05 g mol1 in 500.0 mL of water containing excess phen. The solution has a %T of 36.5% at 510 nm. A 500.0-mL solution with unknown Fe(phen),,SO4 concentration has a %T of 64.3% at 510 nm. What is the molar concentration of Fe(phen),,SO4 in the unknown solution?

6. Iron(II) ion salts, such as FESO, · 7H,0, react with the organic compound ortho-phenanthromne phen) to form red coordination compounds with formulas such as Fe(phen),,SO4. Such compounds have an analytical wavelength of 510 nm. (1) A standard solution containing Fe(phen), SO, was made by dissolving 0.0139 g of FeSO4 · 7H;O, with a molar mass of 278.05 g mol1 in 500.0 mL of water containing excess phen. The solution has a %T of 36.5% at 510 nm. A 500.0-mL solution with unknown Fe(phen),,SO4 concentration has a %T of 64.3% at 510 nm. What is the molar concentration of Fe(phen),,SO4 in the unknown solution?

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter20: Transition Metals And Coordination Chemistry

Section: Chapter Questions

Problem 6Q: Four different octahedral chromium coordination compounds exist that all have the same oxidation...

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