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| Question | Answer |
| Write the empirical formula for the following compound: C6H8 | C3H4 | Write the empirical formula for the following compound: X39Y13 | X3Y | What is the empirical formula for the compound WO2? | WO2 | Write the empirical formula for the compound C2H6O2? | CH3O | What is the molecular formula of a compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole? | C4O2H8 | What is the molecular formula of a compound with an empirical formula of C4H4O and a molar mass of 136 grams per mole? | C8H8O2 | What is the molecular formula of a compound with an empirical formula of CFBrO and a molar mass of 254.7 grams per mole? | C2F2Br2O2 | A well-known compound in analytical chemistry,dimethylglyoxime, has a molar mass of 116.1 g/mol and empirical formula C2H4NO, what is the molecular formula of the compound? | C4H8N2O2 | What is the molecular formula of a compound with an empirical formula of C4H4O and a molar mass of 136 grams per mole? | C8H8O2 | What is the empirical formula of C24H12O9? | C8H4O3 | What is the empirical formula of P4H20O8? | PH5O2 | If a molecule has an empirical formula containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen, and a molar mass of 110 grams/mole, what’s the molecular formula? | C6H6O2 | If a molecule has an empirical formula containing 18.7% lithium, 16.3% carbon, and 65.0% oxygen, and a molar mass of 73.8 grams/mole, what’s the molecular formula? | Li2CO3 |