1. what is formula of the compound formed from 5.00 g of Fe and 21.46 g of Br 2.What is thé empirical formula of 62.4% Re and 37.6% S. 3. 6.6% Al and 93.4 % I empirical formula 4. A compound has the empirical formula C2H5 and has a molecular weight of 58 g/mol. The true formula is  5. An oxide is prepared by burning 4.00 g of Zn in air. The mass of the oxide is 4.97 g. What is the empirical formula? 6. The percentage of water in BaCO3dot6H2O is

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A: Mass of CO2 = 3.13 g Mass of H2O = 0.856 g Mole = mass/molar masa Moles of CO2 =mole of C = 3.13/44…

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A: 1 mol C2H6 has 2 moles of Carbon atoms  1 mol = 6.022 × 1023 atoms

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Q: REPORT SHEET LAB Moles and Chemical Formulas 5 A. Finding the Simplest Formula 43.52 0.23 43.81…

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