Find out the empirical formula and the molecular formula

Assignment Help Chemistry
Reference no: EM13516308

Determine the empirical formula and the molecular formula of a compound that has the compostion of 80.0% C and 20.0% H. The molecular mass is 240.6 g.

Reference no: EM13516308

Questions Cloud

Depict the structure of diacetylferrocene : Draw the structure of diacetylferrocene. comment on the distribution of the two acetyl groups over the two aromatic rings: are they likely to be on the same ring or on different rings? Clearly explain your rationale.
How much overhead was assigned to each job : How much overhead was assigned to each job during year 1 and what was the over- or underapplied manufacturing overhead for year 1?
Find the acceleration of the car after the brakes failed : a car originally traveling at 30 m/s manages to brake for 5 seconds while traveling 125 m down hill. find the acceleration of the car after the brakes failed
Interest rate risk is related to its maturity. : Describe how and why a bond's interest rate risk is related to its maturity.
Find out the empirical formula and the molecular formula : Determine the empirical formula and the molecular formula of a compound that has the compostion of 80.0% C and 20.0% H. The molecular mass is 240.6 g.
Find what was its cruising speed : starting from rest a car travels 1350 m in 1 minute. it accelerated at 1 m/s^2 untill it reached its cruising speed. what was its cruising speed
Compute actual direct material used and direct labor : Total manufacturing cost during the year was $3,000,000 based on actual direct material, actual direct labor, and applied manufacturing overhead - Compute actual direct material used
Find the initial surface charge density of outer conductor : The electric field strength just outside the outer conductor of a coaxial cable of outer radius of 0.2cm is E=7200N/C directed inward. find the initial surface charge density of the outer conductor
Explain the bond energy of br2 does not change : At 1000 K the equilibrium constant for the reaction Br2 (g) === 2 Br (g) is 2.8 x 104 (pressure is in atmospheres). What does G for the reaction. Assume that the bond energy of Br2 does not change between 298 K and 1000 K and calculate S for the r..

Reviews

Write a Review

Chemistry Questions & Answers

  Describe a sample of an ionic compound naa

A 13.00 g sample of an ionic compound NaA, where A- is the anion of a weak acid, was dissolved in enough water to make 100.0 mL of solution and was then titrated with 0.100 M HCl. After 550.0 mL of HCl was added, the pH was 5.00.

  An unknown organic compound has the empirical formula c2h2o

an unknown organic compound has the empirical formula c2h2o. a solution of 3.775 g of the unknown compound dissolved in

  Explain high pe is associated with species such as ch4

Choose the correct answer of the following, explain why it is true, and explain why the other choices are untrue: (A) high pE is associated with species such as CH4, NH4+, and Fe2+

  Define a retro calculation of the amount

a retro calculation of the amount of Ni(Nh3)6Cl2 that is needed if 20mL of 0.10M HCl are used to neutralize ammonia. The number I got was 0.07727 g.

  Compute the number of moles of hcl

Value of E: 1.3 g x 1 mole/100.09=1.29 x 10-2 moleCaCO3 Using the value in your answer to question E., calculate the number of moles of HCl that two TUMS

  When pentane c5h12 burns in oxygen

When pentane C5H12 burns in oxygen, it produces carbon dioxide and water. If 85.5 g of pentane is burned, what voulume of carbon dioxide is produced at STP (The density of CO2 is 1.997 g/L.)

  Explain the integral value of all of the other peaks

Explain why, in the 1H NMR spectrum of the product, the peak at 2.40 ppm has three times the integral value of all of the other peaks in the spectrum

  Explain what is the mole fraction of solute

What is the mole fraction of solute and the molal concentration for an aqueous solution

  Explain how many atoms are present per cubic centimeter

The density of solid Fe is 7.87 g/cm3. How many atoms are present per cubic centimeter of Fe. As a solid, Fe adopts a body-centered cubic unit cell. How many unit cells are present per cubic centimeter of Fe

  Explain the solution is then treated with excess hno3

A solution is prepared by dissolving 11.60 g of a mixture of sodium carbonate and sodium bicarbonate in 1.00 L of water. A 300.0- cm^3 sample of the solution is then treated with excess HNO3 and boiled to remove all the dissolved gas

  How much fluorine was formed

The mass ratio of sodium to fluorine in sodium fluoride is 1.21:1. A sample of sodium fluoride produced 36.5 {rm g} of sodium upon decomposition. How much fluorine (in grams) was formed?

  How many grams of zinc metal will react with 245 ml of 20 m

how many grams of zinc metal will react with 24.5 ml of 2.0 m hydrochloric acid hcl forming zinc chloride zncl2?

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