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

  State what molarity of aqueous magnesium chloride solution

What molarity of aqueous magnesium chloride solution can be expected to show the same conductivity

  What is the final temperature of water-iron mixture

A 25.0 g sample of pure iron at 85.0°C is dropped into 75 g of water at 40.0°C. What is the final temperature of water-iron mixture?

  How many atoms of beryllium are present in a room

A sample of air contains 11.4 µg/m^3 of beryllium dust. How many atoms of beryllium are present in a room with dimensions of 19.1 feet  by 12 feet by 13.3 feet? Answer in units of atoms.

  What is the molar mass of the unknown gas

A sample of an unknown gas effuses in 12.4 min. An equal volume of H2 in the same apparatus at the same temperature and pressure effuses in 2.59 min.

  What is the final temperature

What is the final temperature when 125 g of iron at 92.3 °C is dropped into 50.0 g of water at 27.7 °C? The specific heat of iron is 0.444 J g-1 °C-1 and the specific heat of water is 4.184 J g-1 °C-1.

  Explain what is the minimum number of liters of air

What is the minimum number of liters of air that must pass over a sample of the compound at 25oC to vaporize 1.0 mg of it? Hint: You know the Vapor Pressure from question "a" above and you are given the temperature and mass.

  What is the change in internal energy of the system

A system absorbs 192 kj of heat and the surroundings do 110 kj of work on the system. what is the change in internal energy of the system.

  What is the mole fraction of methanol

The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved in methanol has a vapor pressure of 710.0 torr at 64.7°C. What is the mole fraction of methanol in this solution?

  What is the vapor pressure of this solution

A solution is prepared by dissolving 294 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.

  Depict a three-dimensional structure

Draw a three-dimensional structure of CH3CL. Include all non-bonding pairs in your drawing. Shoe the direction of the molecular dipole and indicate bond angles.

  Why the 2s and 2p orbitals on hydrogen are degenerate

Determine why the 2s and 2p orbitals on Hydrogen are degenerate and they are not in the case of Lithium and calculate Kp at 5 degrees and enter your answer in scientific notation if delta H rxn= -128 kj/mol CH 3 OH,?

  How does size ,electron configuration of sodium atom change

When the sodium atom becomes a sodium ion, how does the size and electron configuration of the sodium atom change?

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