
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?
Empirical formula and rounding - Chemistry Stack Exchange
Mar 27, 2023 · I am very confused with the procedure to find the empirical formula. In the part where we have to multiply by subscripts to make them integers, are there clear rules? For …
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 …
Do the procedure used to find the empirical formula from …
Nov 29, 2019 · Using this information find the empirical formula. In this particular situation there isn't given any specification on what sort of treatment the sample received. Given such …
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 …
stoichiometry - Why is it wrong to calculate the amount of oxygen ...
Apr 4, 2017 · Let's first write the chemical equation for the reaction (I will leave it unbalanced because the stoichiometry is irrelevant): $$\ce {C_xH_yO_z + O2 -> CO2 + H2O}$$ To do this …
How can molecular mass be calculated from vapour density?
May 12, 2014 · Given that its vapour density is 67.5, determine its empirical formula and molecular formula. From the mass percentages, I have found out that the empirical formula is …
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 …
Is the proper formula for phosphorus oxide (V) P4O10 or P2O5?
Dec 8, 2013 · Note that empirical formula and molecular formula are different. Ambiguous use of "formula", which can mean two different things, causes your confusion. P2O5 is the empirical …