Evaluate the mass (g) of sodium in the mixture

Assignment Help Chemistry
Reference no: EM13502317

A 67.9 g mixture of the compounds sodium sulfide and potassium bromide is 40.9 % by mass sodium sulfide. The compound sodium sulfide is 41.1 % by mass sulfur. Calculate the mass (g) of sodium in the mixture.

Reference no: EM13502317

Questions Cloud

What is the total annual cost of operating the lockbox syste : What is the total annual cost of operating the lockbox system and what is the dollar benefit of the system to Drugs R Us?c. Should the firm initiate the lockbox system?
What is the expected future course of the project : Select a big or the biggest project you have been associated with in your life. It could be a professional or a personal project
Determine the focal length of the diverging lens : A converging lens and a diverging lens, separated by a distance of 30.0 cm, are used in combination. What is the focal length of the diverging lens
What is the average power output of the laser : A laser produces a cylindrical beam of light of wavelength 400nm. The average energy in a 2m length of the beam is 5*10^-8J. What is the average power output of the laser
Evaluate the mass (g) of sodium in the mixture : A 67.9 g mixture of the compounds sodium sulfide and potassium bromide is 40.9 % by mass sodium sulfide. The compound sodium sulfide is 41.1 % by mass sulfur. Calculate the mass (g) of sodium in the mixture.
Provide a feasibility study into the improvement : You are to prepare a submission to satisfy your client's requirements as outlined below. You are required to investigate the issues at Pressure Hydraulics and provide a feasibility study into the improvement to their current business processes.
Evaluate delta h for the transformation pb : The standard entropy of Pb(s) at 298.15k is 64.80 jk-1 mol-1. assume that the heat capacity of Pb(s) is given by Cp,m (Pb,l)/jk-1mol-1 = 32.51 -.00301 t/k. calculate the standard entropy of Pb (l) at 650 C. calculate delta H for the transformation..
Diagram a documentary sales transaction and locate examples : Diagram a documentary sales transaction and locate examples of letters of credit and bills of lading and analyze their content
Draw a stock control card and discuss the completion process : Draw a stock control card and discuss the completion process

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the ph volumes of acid

A 20.00-mL sample of 0.150 M KOH is titrated with 0.125 M HCIO4 solution. Calculate the pH after the following volumes of acid have been added.

  How much heat in is evolved in converting 100 of steam at

how much heat in is evolved in converting 1.00 of steam at 155.0 to ice at -55.0? the heat capacity of steam is 2.01

  Define the final temperature of the water in the calorimeter

A coffee cup calorimeter contains 10.0 grams of water at 59.00 degrees C. If 3.00 grams Au at 15.20 degrees C is placed in the calorimeter, what is the final temperature of the water in the calorimeter. The specific heat of water is 4.18 J/g C; th..

  Explain the cell potential when the solutions are altered

Ag electrode in 1.0 M Ag + (aq) and Cu electrode in 1.0 M Cu 2+ (aq). What is the cell potential when the solutions are altered, so [Ag+] = 1.25 M and [Cu 2+] =0.25 M

  State boiling points of the pure components of mixture

In either of the simple distillation experiments, can you account for the boiling point of your product in terms of the known boiling points of the pure components of your mixture?

  Explain an n-type semiconductor with an element

If you want to dope GaAs to make an n-type semiconductor with an element to replace Ga, which of the elements below would you pick

  Explain molecular and empirical formulas

Explain Molecular and Empirical Formulas, Ibuprofen, a headache remedy, contains 75.69% C, 8.80% H and 15.51% O by mass, and has a molar mass of 206g/mol.

  How many milliliters of a stock solution of 200m kno3 would

how many milliliters of a stock solution of 2.00m kno3 would you need to prepare 100.0 ml of 0.150m

  Find out the solubility and the solubility product constant

An experiment was performed to determine the solubility and the solubility product constant of lead(II) chloride (gmm = 278.10).The equilibrium involved is

  Define how many moles of gas were added to the bottle

A gas bottle contains .650 mol of gas at .961 atm pressure. If the final pressure is 1.15 atm, how many moles of gas were added to the bottle.

  How many liters of ethane measured at 150 degrees celsius

how many liters of ethane measured at 15.0 degrees celsius and 719 torr must be burned to liberate 2.89 x 104 kj of

  What mass of silver was in the orginal solution

A solution contains an unknown mass of dissolved silver ions. when potassium chloride is add to the solution.,a white precipitate forms.

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