Explain the percent by mass of ba in the compound

Assignment Help Chemistry
Reference no: EM13520011

A sample of .6820 g of an unknown compound containing barium ions (Ba+2) is dissolved in water and treated with an excess of Na2SO4. if the mass of the BaSO4 precipitate formed is0.4835 g, what is the percent by mass of Ba in the original unknown compound?

Reference no: EM13520011

Questions Cloud

What is the approximate wavelength of these tennis balls : Consider a tennis ball cannon people use to practice their game: what is the approximate wavelength of these tennis balls
Unique ability to recognize user needs : The viewpoint has been expressed that financial statement preparers are also the largest class of users of financial statements. Hence, the preparer has a unique ability to recognize user needs that the FASB does not really appreciate.
Define the density of a saturated alf3 solution : The solubility of AlF3 is 6.7 gms. of AlF3 per liter of solution. the density of a saturated AlF3 solution is 1grm per ml. the Ksp of AlF3 is
Statements are tautologies-contradictions or contingencies : Please answer if the following statements are tautologies, contradictions, or contingencies: (each correct answer is worth 1 point) It is a fact that the stock market has declined during Bushs presidency, but it is also a fact that it has not decl..
Explain the percent by mass of ba in the compound : A sample of .6820 g of an unknown compound containing barium ions (Ba+2) is dissolved in water and treated with an excess of Na2SO4. if the mass of the BaSO4 precipitate formed is0.4835 g, what is the percent by mass of Ba in the original unknown ..
Compute the index of refraction of the substance : A laser beam is traveling through an unknown substance. When it encounters a boundary with air, the angle of reflection is 28.2°, What is the index of refraction of the substance
Assets are economic resources of an enterprise : Assets also include certain deferred charges that are not resources but that are recognized and measured in conformity with generally accepted accounting principles." Do you think this is a useful definition?
Arguments are valid or invalid : Explain if the following arguments are valid or invalid: (1-10 points) . Argument 1: If you are late to class more than three times, 300 points will be deducted. 300 points will be deducted Therefore you have been late to class more than three tim..
What is the magnitude of the force on this sheet : A copper sheet with length 1.77 m, width 0.587 m, and thickness 1.27 mm is oriented so that its largest surface area is perpendicular to a magnetic field of strength 4.93 T. What is the magnitude of the force on this sheet

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the volume of the sphere is smaller

Show that the ratio of the surface area to the volume of the sphere is smaller than that for a cube of equal volume

  Define what concentration of ca2+ must be added to oxalate

What concentration of Ca2+ must be added to 0.010 M oxalate (C2O^-2 4) to precipitate 99.0% of the oxalate.

  The acid-catalyzed addition of alcohols to alkenes occurs

The acid-catalyzed addition of alcohols to alkenes occurs via a mechanism analogous to acid-catalyzed alkene hydration. The reaction occurs in 3 steps

  How to calculate the ka for the acid

Enough of a monoprotic acid is dissolved in water to produce a 1.54 M solution. The pH of the resulting solution is 2.95. Calculate the Ka for the acid.

  State base required to reach the equivalence point

Consider the titration of a 22.0 -mL sample of 0.110 M HC2H3O2 with 0.130 M NaOH. Determine each of the following. A. The initial pH B. the volume of added base required to reach the equivalence point in mL

  Compute the kc value for the a-protein binding reaction

A chemist at a pharmaceutical company is measuring equilibrium constants for reactions in which drug candidate molecules bind to a protein involved in cancer. Calculate the Kc value for the A-protein binding reaction.

  Explain sodium thiosulfate called for in reaction

If you used a concentration of 0.0065 M sodium thiosulfate instead of 0.0050 M sodium thiosulfate called for in reaction 1, what effects would this have, if any, on the rate of the reaction

  A boy wants to prepare a 250ml of a buffer that is ph450

a boy wants to prepare a 250ml of a buffer that is ph4.50. beginning with 100ml of 0.12 moll ch3cooh and a supply of

  Define what is the mass of nacl dissolved

An aqueous solution of NaCl has a mole fraction of 0.30. What is the mass of NaCl dissolved in 185.9 mL of solution

  Which metal is the most reactive

What is the net redox reaction that occurs when Ag comes into contact with acidic K2Cr2O7? Which metal is the most reactive?

  Find the number of representative particles in each given

find the number of representative particles in each given substance 1 3.00 mol sn2 0.400 mol kcl3 7.50 mol so24 4.80 x

  Explain what is the wavelength emitted due to an electron

what is the wavelength emitted due to an electron moving from an infinitely far orbit (n=infinity) to n=2? in what region of the electromagnetic spectrum is this wavelength

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