Explain compound weighs 3.95 g what is its molecular formula

Assignment Help Chemistry
Reference no: EM13506468

A molecular compound contains 92.3% carbon and 7.7% hydrogen by weight. If 0.152 mol of the compound weighs 3.95 g, what is its molecular formula?

A) C3H8
B) CH
C) C10H10
D) C8H12
E) C2H2

Reference no: EM13506468

Questions Cloud

Find the net force of the system taking the block : A mass m=9.7 kg is suspended from a pulley with radius r=0.081 meters and moment of inertia I=0.26 kg/m^3. What is the net force of the system taking the block and pulley into consideration
Explain how many moles of each substance were in the vessel : A 1.630-L vessel was filled with 0.1555 mol CO and 0.3110 mol H2. When this mixture came to equilibrium at 500 K, the vessel contained 0.1093 mol CO. How many moles of each substance were in the vessel
Compare and contrast for and from agi deductions : Compare and contrast for and from AGI deductions. Why are for AGI deductions likely more valuable to taxpayers than from AGI deductions?
What is the ground state energy of a sodium ion : Consider a small virus having a diameter of 10nm . The atoms of the intracelluar fluid are confined within this "box". What is the ground state energy (in eV) of a sodium ion confined in such a box
Explain compound weighs 3.95 g what is its molecular formula : A molecular compound contains 92.3% carbon and 7.7% hydrogen by weight. If 0.152 mol of the compound weighs 3.95 g, what is its molecular formula?
Annotated bibliography : Annotated Bibliography
What are the amplitude and frequency of the oscillations : a massless spring of spring constant 50 N/m is suspended vertically. Set the vertical origin to the natural length of the spring. what are the amplitude and frequency of the oscillations
What are the risks with this strategy : Duff is contemplating using this "strategy" of not reporting cash collected in his business to minimize his tax liability. Is this tax planning? What are the risks with this strategy?
Multicultural respect to their coworkers : Describe three reasons why police officers need to show multicultural respect to their coworkers and citizens in their community. Also list three ways to demonstrate this respect and the benefits that will result.

Reviews

Write a Review

Chemistry Questions & Answers

  What mass of f2 is needed to produce 187 g of pf3 if the

p4s f2g -gt pf3g what mass of f2 is needed to produce 187 g of pf3 if the reaction has a 80.1

  Explain temp of the final solution after thermal equilibrium

what is the temp of the final solution after thermal equilibrium is established? The heat of neutralization -56kj/mol. Assume there is not heat lost to the surroundings. Also assume the specific heat of the solution is 1.0 Cal/g*c and the density ..

  What is the velocity of a first-order reaction

What is the velocity of a first-order reaction when the reactant concentration is 6 x 10-2 M and the rate constant is 8 x 103 sec-1?

  What is the number of moles of air

At 0.0oC, if the volume of air is 2.5 mL and the pressure of the atmosphere that day is 835 mmHg, what is the number of moles of air?

  Explain the maximum number of grams of dinitrogen

N2 + 2O2 -----> N2O4 8.03 x 1023 molecules of oxygen react with excess nitrogen. What is the maximum number of grams of dinitrogen tetroxide that can be produced

  Compute the molar mass of the unknown gas in gmol

times that of nitrogen gas ( at the same temperature). calculate the molar mass of the unknown gas in g/mol?

  Explain the compound has a molecular formula of c7h14o2

The compound has a molecular formula of C7H14O2. Draw the structure from the following NMR data: Ha=1H 1.2 ppm Hb=3H 1.3 ppm Hc=4H 4.1 ppm

  Evaluate the equilibrium constant keq

Using information from the table of Standard Thermodynamic Data in the textbook, calculate the equilibrium constant, Keq, for the reaction given below at 298 K. C2H6O (g) ? C2H4 (g) + H2O (g) Keq =

  Explain many moles of magnesium oxide are produced

How many moles of magnesium oxide are produced by the reaction of 3.82 g of magnesium nitride with 7.73 g of water? Mg_3N_2 + 3H_2O yields 2NH_3 + 3MgO

  Determine to two decimal places the molar masses

Given the reaction by the equation Mg + 2HCL yeilds H2 + MgCl2, determine to two decimal places the molar masses of all substances involved.

  Explain what concentration of cl- ion in m is required

The Ksp for AgCl = 1.8x10^-10, @25 degrees Celsius. If the goal is to harvest silver ions from a film stop bath, and the plan is to get the silver ion concentration down to 18x10^-12 M, using NaCl, what concentration of Cl- ion, in M is required

  The solution were extracted with one 50 ml portion of ether

Suppose solute A has a distribution coefficient of 1.0 between water and diethyl ether. Demonstrate that if 100 ml of a solution of 5 g of A in water were extracted with two 25 ml portions of ether a smaller amount of A would remain in the water t..

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