Analysis of a compound composed of iron and oxygen yields 174.86 g of Fe and 75.14 g of O. What is the empirical formula for this compound?

tricotasu 2021-10-06 Answered
Analysis of a compound composed of iron and oxygen yields 174.86 g of Fe and 75.14 g of O. What is the empirical formula for this compound?

Expert Community at Your Service

  • Live experts 24/7
  • Questions are typically answered in as fast as 30 minutes
  • Personalized clear answers
Learn more

Plainmath recommends

  • Ask your own question for free.
  • Get a detailed answer even on the hardest topics.
  • Ask an expert for a step-by-step guidance to learn to do it yourself.
Ask Question

Expert Answer

l1koV
Answered 2021-10-07 Author has 3204 answers
Calculate the moles of each element
Calculate the mole ratios:
1. Fe: 174.86/55.85=3.131
o: 75.14/16.00=4.696
2. 4.696molFe/3.131mol

O=1.5
Because 1.5*2=3 the empirical formula can be written as: Fe2O3
Have a similar question?
Ask An Expert
45
 

Expert Community at Your Service

  • Live experts 24/7
  • Questions are typically answered in as fast as 30 minutes
  • Personalized clear answers
Learn more

Relevant Questions

asked 2021-10-04
Analysis of a compound indicates the percent composition 42.07% Na, 18.89% P, and 39.04% O. Determine its empirical formula.
asked 2021-09-21
Analysis of a compound used in cosmetics reveals the compound contains 26.76% C, 2.21% H, 71.17% O and has a molar mass of 90.04 g/mol. Determine the molecular formula for this substance.
asked 2021-10-08
Analysis of the pain reliever morphine yielded the data shown in the table. Determine the empirical formula of morphine. ElementMass (g) carbon17.900 hydrogen1.680 oxygen4.225 nitrogen1.228
asked 2020-10-23
A compound consisting of C, H and O only, has a molar mass of 331.5g/mol. Combustion of 0.1000g of this compound caused a 0.2921g increase in the mass of the CO2 absorber and a 0.0951 g increasein the mass of the H2O absorber. What is the empirical formula ofthe compound?
What is ment by absorber ? product?
asked 2021-10-01
Analysis of a hydrate of iron(III) chloride revealed that in a 10.00-g sample of the hydrate, 6.00 g is anhydrous iron(III) chloride and 4.00 g is water. Determine the formula and name of the hydrate.
asked 2021-10-04
Analysis of a 15.0-g sample of a compound used to leach gold from lowgrade ores is 7.03 g Na, 3.68 g C, and 4.29 g N. Determine the empirical formula for this substance.
asked 2021-09-22

The analysis on a mass basis of a gas mixture at \( 40^\circ F,\ 14.7 lbf/in^2\) is 60% \(\displaystyle{C}{O}^{{{2}}}\), 25% CO, 15% \(\displaystyle{O}^{{{2}}}\).
Determine a. the analysis in terms of mole fractions.
b. the partial pressure of each component, in \(\displaystyle{l}{b}{f}/in.^{{2}}\)
c. the volume occupied by 10 lb of the mixture, in \(\displaystyle{f}{t}^{{{3}}}\).

Plainmath recommends

  • Ask your own question for free.
  • Get a detailed answer even on the hardest topics.
  • Ask an expert for a step-by-step guidance to learn to do it yourself.
Ask Question
...