
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 …
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?
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. …
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 …
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 …
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 …
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, 9 months ago Modified 5 years, 11 …
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 …
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 …
stoichiometry - Calculate the empirical formula of the compound ...
Feb 27, 2019 · Calculate the empirical formulas of the compounds containing: nitrogen 47% and oxygen 53%. My guess was to get the molar mass of N and O and divide that by 47 and 53 …