What is its exact molar mass

Assignment Help Chemistry
Reference no: EM13128728

The simplest formula of a substance is found to be CH2O, and its approximate molar mass is found by experiment to be 93 g•mol-1. What is its exact molar mass?

Reference no: EM13128728

Questions Cloud

Recording the redemption of bonds : Prepare the journal entry by Twin Digital to record the redemption of the bonds on July 1, 2011.
Example on production possibility curve : What is the opportunity cost of producing 5 more units of education and while a production possibility curve describes the possible combinations of output that can be produced with a given set of inputs, it does not tell us who should receive
Calculate the normality : A 1.20 M solution of citric acid (H3C6H5O7) in water has a density of 1.10 g/cm3. Calculate the normality. Citric acid has three acidic protons.
Write research paper topic : How to write an essay proposal of (1-2 pgs) about any interesting research paper topic.
What is its exact molar mass : The simplest formula of a substance is found to be CH2O, and its approximate molar mass is found by experiment to be 93 g•mol-1. What is its exact molar mass?
Total accrued amount : If an officer is not actually paid his salary but the salary is shown as accrued for 2010, for a C Corp, is the total accrued amount for that officer included on Schedule E or only what the officer is actually paid in 2010?
Operating cash flows problem : Describe how operating cash flows can serve as one indicator of earnings quality.
What is the effect on the free cash flows for 2005 : Now FASB required that all employee stock options should be expensed on income statement. On Jan. 2005, AA company granted total $100,000 (fair value) of stock options to the employee.
Determine the mass of lithium hydroxide produced : Determine the mass of lithium hydroxide produced when 0.38 g of lithium nitride reacts with water to make Ammonia (NH3) and Lithium hydroxide.

Reviews

Write a Review

Chemistry Questions & Answers

  Products in a double-replacement reaction

Determine the precipitate that forms if silver nitrate aqueous solutions and KCl react to produce products in a double-replacement reaction.

  Determine the molar mass of the nonelectrolyte compound

The resulting solution freezes at 26.5 oC. If Kf for the solvent is 1.74 o C/m then determine the molar mass of the nonelectrolyte compound?

  What is the mass of methane in the mixture

A sample mixture of CH4 and C2H6 weighing 0.732 g burned to give 2.064 g CO2. What is the mass of CH4 in the mixture.

  Compute the pe value in an acid mine water

What is the pE value in an acid mine water sample having [Fe3+] = 6.79E-3 M and [Fe2+] = 4.14E-4 M?

  Assume gases are at the same pressure and temperature

Assuming all gases are at the same pressure and temperature, how many liters of CO2 are formed from 15.0L of CO.

  What is the equilibrium concentration of the ethene

If 6.0 moles of ethene and 6.0 moles of hydrogen are introduced into a 2.0 L sealed vessel and allowed to equilibrate at 200ºC, what is the equilibrium concentration of the ethene

  What are the equilibrium concentrations of n2o4

For the following reaction, Kc = 0.513 at 500 K . N2O4(g) 2NO2 (g)

  What is the molecular formula of chloral hydrate

Chloral hydrate, a sedative, contains C 14.52%, H 1.83%, Cl 64.30%, and O 19.35%. If it has a molar mass of 165.42 g, what is the molecular formula of chloral hydrate?

  Calculate k

consider the reaction CO2+H2=CO+H2O.The equilibrium concentrations are [CO]= 0.050M, [H2]=0.045M, [CO2]=0.086M, and [H2O]= 0.040M. Calculate K .

  What is the heat change of water

What is the heat change of H 2 O If the final temperature of the mixture = 25 degree celsius?

  Calculating solubility of copper sulfide

Work out the solubility of copper(II)sulfide. Take it that 1 litre of the mixture weighs 1 kg. (in g/100g), CuS (s) Cu^2+ (aq) + S^2- (aq)

  Determines the effect of osmolality of the solution

A woman requires taking ibuprofen twice daily in 625mg amount. Each pill in the bottle is 250 mg then determine the number of pills the woman requires to consume each time she needs 625mg dosage

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