Find out the mass of urea

Assignment Help Chemistry
Reference no: EM13222475

Find the mass of urea (CH4N2O) needed to prepare 50.8 g of a solution in water in which the mole fraction of urea is 7.55×10?2.

Reference no: EM13222475

Questions Cloud

Why is that cost-minimizing factor choice be identical : A company operates plants in both the united states(where capital is relatively cheap and labor is relatively expensive) and Mexico(where labor is relatiely cheap and capital is relatively expensive). A. Why is it unlikely that the cost-minimizing ..
Explain the signal is directly proportional : Monochromatic light falls on any one of the diodes that comprise the detector array of your OcieanOptics spectrometer. The signal is directly proportional to what quality of the light that impinges on it?
Define the total mass of salt in one liter of seawater : the concentrations of the four main individual ionic compouns are 0.48 M NaCl, 0.090 M MgCl2, 0.0250 M CaCl2 and 0.0050 M KCl. what is the total mass of salt in one liter of seawater?
What is the resulting total cost to produce q : A firm has two plants that it may use to produce its output. The first plant has cost function C1 (Q1) = Q1^2 and the second plant has a cost function C2 (Q2) = Q2 + 0.5Q2^2. a. If total output to be produced, Q1 + Q2, must be Q>0.
Find out the mass of urea : Find the mass of urea (CH4N2O) needed to prepare 50.8 g of a solution in water in which the mole fraction of urea is 7.55×10?2.
Formulate a mixed integer programming model : Formulate a mixed integer programming model for this problem.
Determine whether the railroad should build the overpass : Burlington Northern is considering the elimination of a railroad grade crossing by constructing a dual-track overpass. The railroad subcontracts for maintenance of its crossing gates at $11,500 per year. Beginning 4 years from now.
Compute the h reaction in kj per mol metal : The mass of the final solution is 73.0 grams, and its heat capacity is 3.85 J/g°C; the heat capacity of the calorimeter is 5.0 J/°C. Calculate the ?Hreaction in kJ/mol metal.
How many jobs were saved due to the arra : There are various estimates for the amount of jobs saved by the federal government's stimulus plan the American Recovery & Reinvestment Act (ARRA) of 2009. (a) According to the Council of Economic Advisors' report from January 2010.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain a bottle of tris base

How would you prepare 350mL of a single solution containing 150mM Tris, 5mM glucose, and 5 mM Nacl?

  How many mole of water vapor are produced

when 50. grams of ethane gas is burned completely in oxygen. Carbon dioxide and water vapor are produce. How many mole of water vapor are produced?

  Explain what is the ph of concentrated sodium hydroxide

What is the pH of concentrated sodium hydroxide? NaOH FW=40.0 g/mol

  Calculate the pressure exerted

Calculate the pressure exerted in the closed end of an apparatus. If the atmospheric pressure 720 torr and the height of the water column is 22.3cm.

  State the ionization constant for hclo

Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.210 M HClO(aq) with 0.210 M KOH(aq). The ionization constant for HClO (4.0*10-8).

  How many grams of sulfur trioxide are produced

In S8 + 12O2-> 8SO3, if 10 grams of sulfur is used, how many grams of sulfur trioxide are produced?

  State what is the water solubilities of fumaric

What is the difference in water solubilities of fumaric and maleic acid? Which one is more water soluble?

  Compute the ph at the temperature

compute the pH at the temperature of twenty five degrees Celsius of a solution combined by adding 50 mL of 1.60 M sodium hydroxide solution

  Explain what mass of ammonium sulfate is required to react

What mass of Ammonium sulfate is required to react with 60kg of Potasium nitrate to obtain

  Explain alkyl halides reacts most rapidly via sn1 solvolysis

which of the following alkyl halides reacts most rapidly via SN1 solvolysis reaction in hot methanol? A) 1-iodo-1-methylcyclohexane

  State methyl orange is made by diazotizing the sodium salt

Methyl orange is made by diazotizing the sodium salt of sulfanilic acid (p-aminobenzenesulfonic acid) followed by coupling with N,N-dimethyl aniline. Write equations for these reactions,giving the structure of methyl orange.

  Explain the empirical formula of the unknown compound

Combustion of 3.00 g of this compound produced 7.06 g of CO2 and 1.93 g of H2O. What is the empirical formula of the unknown compound?

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