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  1. chemical formula - Combustion analysis of hydrocarbon

    Oct 6, 2021 · Combustion analysis of a hydrocarbon produced 33.01 g CO2 and 4.84 g H2O. I was asked to find the empirical formula of the hydrocarbon. I used these molar mass values …

  2. inorganic chemistry - How do you determine a chemical formula …

    Jan 9, 2014 · How do you determine the chemical formula of a compound given its crystal structure?

  3. How can molecular mass be calculated from vapour density?

    May 12, 2014 · From the mass percentages, I have found out that the empirical formula is $\ce {C8H9NO}$. However, to find the molecular formula we usually require the molecular mass. …

  4. How to find the empirical formula of a compound containing C, H, …

    Mar 27, 2022 · Comment: In finding the empirical formula of the compound, I keep getting C28H16O5 which has a molar mass of approx. 400+ that is not equal to the given molar mass …

  5. solutions - How to determine the empirical formula given mass ...

    Jan 31, 2016 · How to determine the empirical formula given mass percentages of the elements and the molecular weight? Ask Question Asked 9 years, 8 months ago Modified 5 years, 11 …

  6. Do I have to consider the molecular mass of the oxygen atom or …

    Apr 13, 2015 · 4 In determining the empirical formula of a compound which constitutes a diatomic molecule, should we calculate the molar mass of the divalent molecule by multiplying the …

  7. physical chemistry - How to determine the empirical formula for …

    Jun 26, 2013 · So the empirical formula will be $\ce {Fe2O5}$ .) Actually, you can skip the relative amount of substance step when you've got 2 elements in empirical formula, but you will need …

  8. Calculation of empirical formula from elemental analysis

    Calculate the empirical formula. I'm getting $\ce {C7H14N8}$, but my professor says it is $\ce {CH2N}$. Which is the correct answer? When brought to moles, 40 g C is 3.33 moles of C, 6.7 …

  9. How to determine the empirical formula for terephthalic acid from …

    Jan 13, 2015 · The result you obtain, does not resemble the empirical formula of . As a general tip: These problems are of entirely mathematical nature, so it is important to use proper …

  10. Determine formula of hydrocarbon from combustion data

    Mar 2, 2016 · Determine the formula of the hydrocarbon. Since each carbon atom in an alkane will burn to produce one carbon dioxide molecule, then 100/20 = 5 carbon atoms must be in the …