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Please explain all answers 1) Phenol was the first antiseptic. It has the chemical composition 76.57% C,...

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Chemistry

Please explain all answers

1) Phenol was the first antiseptic. It has the chemicalcomposition 76.57% C, 6.43% H, 17.00% O. The molecular weight ofphenol was determined by mass spectroscopy to be 94.114 g/mol. Whatis the molecular formula for phenol?

2) A 3.5514 g of a chromium oxide was found to contain 2.4299 gof chromium and 1.1215 g oxygen. What is the empirical formula forthis chromium oxide?

3) Phosphoric acid is produced by the reaction of calciumphosphate, Ca3(PO4)2, with sulfuric acid. How much phosphoric acidcan one make from exactly one US ton (2000 lbs) of calciumphosphate?

Answer & Explanation Solved by verified expert
3.8 Ratings (542 Votes)
moles of C 7657 12 6381 moles of H 643 1 643 moles of O 17 16 10625 C H O 6381 643 10625 6 6 1    See Answer
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