What are the subscripts in the empirical formula

Assignment Help Chemistry
Reference no: EM13166711

A compound is 40.0%C, 6.70%H, and 53.3%O by mass. Assume that we have a 100.g sample of this compound. What are the subscripts in the empirical formula of this compound?

Reference no: EM13166711

Questions Cloud

Alternative donation scenario : Another alternative donation scenario is to deposit $25,000 now in a savings account with a guaranteed rate of return of 5% per year compounded monthly.
State what starting material are needed to prepare : what starting material are needed to prepare the following compound using malonic ester synthesis
State a chemical engineer places a mixture of noble gases : To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. A chemical engineer places a mixture of noble gases consisting
What is the coordination environment of f in a hypothetical : What is the coordination environment of F in a hypothetical relative of CaF2, in which Ca forms a hcp array and F occupies all the tetrahedral sites?
What are the subscripts in the empirical formula : A compound is 40.0%C, 6.70%H, and 53.3%O by mass. Assume that we have a 100.g sample of this compound. What are the subscripts in the empirical formula of this compound?
Identify two of most successful companies or organization : Identify two of the most successful companies or organizations today, in your opinion. Explain why they are so successful (your answer should consider business strategy and core competencies).
Determine the specific heat of the metal bar : the temperature of a metal bar rises by 15 C when it absorbs 4.26 kJ of heat. The mass of the bar is 472g. Determine the specific heat of the metal bar.
Explain how many grams of chlorine gas are needed : How many grams of chlorine gas are needed to react with 11.5 grams of sodium metal
Kind of magnetic ordering would predict : Predict whether each of the following should form a normal or inverse spinel (hint: think about CFSE's): MgV2O4, VMg2O4, NiGa2O4, ZnCr2S4, NiFe2O4, Mn3O4, Fe3O4

Reviews

Write a Review

Chemistry Questions & Answers

  Identify the oh proton in the nmr spectrum

An unknown is believed to be an alcohol because the IR spectrum showed broad absorption at 3200-3500 cm-1 and no absorption in the 1700-1750 cm-1 region.

  Find out the empirical formula of the amino acid

Determine the empirical formula of the amino acid, given an amino acid which consists of the elements carbon, hydrogen, nitrogen, and oxygen.

  What is the mass percent of acetic acid present

A 5.0 ml sample of vinegar was titrated with 7.2 ml of 0.55 M NaOH. if the density of vinegar solution is 1.00g/ml, what is the mass percent of acetic acid present.

  What is the partial pressure of the co2

If carbon dioxide gas is collected over water at 25°C and 775 torr, what is the partial pressure of the CO2? The vapor pressure of water is 23.8 torr at 25°C.

  What mass of sucrose should be combined

What mass of sucrose should be combined with 493 g of water to make a solution with an osmotic pressure of 9.00 atm at 320 K? (Assume the density of the solution to be equal to the density of the solvent.)

  Explain how you arrived at conclusions

Explain how you arrived at this conclusions. Write a balance chemical equation for the reaction that occurs when sodium cyanide dissolves in water.

  What is the new volume of the balloon

A weather balloon has a volume of 750 L when filled with helium at 8 oC at a pressure of 380 torr. What is the new volume of the balloon when the pressure is 0.20 atm and the temperature is -45 oC?

  What is the percent yield

The mass of iron produced by the reaction of 7.00 kg of Fe2O3 and 3.00 kg of CO is 3.55 kg. What is the percent yield? (Atomic weights: Fe = 55.85, O = 16.00, C = 12.01)

  Compute the inimum temperature

calculate the inimum temperature at which this process will be spontaneous under standard conditions. Assume that Delta Ho and Delta So do not vary with temperature.

  Deine mass charge and location of the subatomic particles

Compare mass, charge, and location of the subatomic particles in the atom. Particles are Proton, Nuetron, Electrons. What is the Mass,

  What volumes of .200 m hcooh is required

What volumes of .200 M HCOOH and 2.00 M NaOH would make 300 mL of a buffer with the pH of one made from 475 mL of .200 M benzoic acid and 25 mL of 2.00 M NaOH?

  Effective to do one extraction with v ml

Given that the partition coefficient for a solute is K in a water-ether solvent extraction system, is it more effective to do one extraction with V mL of ether or three extractions with V/3 mL of ether

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd