
chemical formula - Combustion analysis of hydrocarbon - Chemistry …
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 for my …
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, 10 months ago Modified 6 years ago
inorganic chemistry - How do you determine a chemical formula given …
Jan 9, 2014 · The composition of the unit cell is therefore \ceNa4Cl4 \ce N a 4 C l 4. Since the number of formula units per unit cell is 4, the formula of the compound is \ceNaCl \ce N a C l. For compounds in …
physical chemistry - How to determine the empirical formula for an ...
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 to …
Empirical formula and rounding - Chemistry Stack Exchange
Mar 27, 2023 · If you somehow measure the molar mass, this will put a limit of the magnitude of the subscripts in the empirical formula. For example, if the molar mass of hydrogen peroxide is …
Do I have to consider the molecular mass of the oxygen atom or the ...
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 molar mass …
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 g of H is 6.63 …
How to find the empirical formula of a compound containing C, H, O?
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 above.
physical chemistry - How to find the molecular formula for a ...
Sep 19, 2014 · How to find the molecular formula for a hydrocarbon compound from known combustion products? Ask Question Asked 11 years, 2 months ago Modified 6 years, 6 months ago
How to determine the empirical formula for terephthalic acid from its ...
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 equations and …