State whats is the procedure for preparing

Assignment Help Chemistry
Reference no: EM13207232

a) Experimental procedure, part A. whats is the procedure for preparing 250 mL of 0.0210 M Na2S2O3 for this experiment from a 100 mL volume of standard 0.106 M Na2S2O3?

b) For the preparation of the 0.0210 M solution in a 250-mL volumetric flask. only a 25.0-mL calibrated volumetric pipet is available. explain how you would prepare the 0.0210 M Na2S2O3 solution using the 25.0-mL pipet. what would be its exact molar concentration?

Reference no: EM13207232

Questions Cloud

What explanations have been offered in the press : How has the number of payroll jobs changed over the last 3 months and over the last year How does your state's performance compare to the U.S. economy's performance over the last year What explanations have been offered in the press How accurat..
State what mass of co is produced from the reaction : How many mL of 3.00 M HCI should be added to react completely with 16.8g of Na2CO3 according to the following equation?
At what point will the ladder touch the sing : suppose that on the second day of the project, the painter brings a ladder that is 25 ft in length. If the patch of ground 10 ft from the base of the sing is used, at what point will the ladder touch the sing?
Describe the economy of the united states today : John Maynard Keynes was the first to show that government policy could be used to change aggregate output and prevent recessions by stabilizing the economy. Describe the economy of the world at the time Keynes was writing.
State whats is the procedure for preparing : Experimental procedure, part A. whats is the procedure for preparing 250 mL of 0.0210 M Na2S2O3 for this experiment from a 100 mL volume of standard 0.106 M Na2S2O3?
Why us was pursuing a contractionary fiscal policy : During 1993 when the economy was growing very slowly, President Clinton recommended a series of spending cuts and tax increases designed to reduce the deficit. These were passed by Congress in the Omnibus Budget Reconciliation Act of 1993.
Explain lake and fixed the oxygen on-site wth alkaline : A water chemist obtained a 250-mL sample from a nearby lake and fixed the oxygen on-site wth alkaline solutions of MnS04 and Kl-NaN3-. returning to the labrotary, a 200-mL sample was analyzed by acidifying the sample
What should be the transfer price of the pocket calculators : The plant has a capacity output of 200,000 calculators per year, and the plant's manager regards 75 percent of capacity as the normal or standard output. The projected total variable costs for the normal or standard level.
Define the highest possible oxidation state for halogens : The highest possible oxidation state for halogens is +7 and the lowest possible is -1. Which of the following could not disproportionate?

Reviews

Write a Review

Chemistry Questions & Answers

  State a naoh soln of unknown concentration was standardized

A NaOH soln of unknown concentration was standardized against KHP. It took 45.78 mL of NaOH soln to completely titrate 1.256 g of KHP. Cal the molarity of NaOH.

  What is the molarity of a solution

A 5.00 ml sample of vinegar(d=1.05g/ml and it contains acetic acid) is titrated with 17.70 ml of a 0.200M NaOH solution. What is the molarity, % acetic acid (w/w) and % acetic acid (w/v)?

  State aluminum nitrate being paired with water as a solid

HNO3 has 2 dissociating ions whereas Al(NO3)3 has 4, which should result in a higher conductance value. Would this have something to do with aluminum nitrate being paired with water as a solid?

  State what is the enthalpy of solution for salt mx

If the specific heat of the salt is 0.663 J/C.g, what is the enthalpy of solution for salt MX if its molar mass is 68.0 g/mol?

  Explain common hydrates of cation

What values are quoted in handbooks for common hydrates of your cation?

  State waste gas components into the water

Neglect the absorption of other waste gas components into the water, and the evaporation of water into the waste gas stream. What rate is NH3 is being removed from the feed gas?

  Draw the major organic product of the reaction

Draw the major organic product of the reaction. Indicate the stereochemistry via wedge/dash bonds, including explicit H and D atoms

  What is the equilibrium expression for following reaction

What is the equilibrium expression for the following reaction. Please interpret as an equilibrium symbol.

  What is the ph of the solution

30.0 mL of 0.150 M CH3CO2H are titrated with 0.150 M NaOH. What is the pH of the solution after 15.0 mL of NaOH has been added. The Ka for acetic acid is 1.80 x 10-5

  Why does the thermal conductivity detector respond

Why does the thermal conductivity detector respond to all analytes except the carrier gas?

  Compute acidic and basic buffer capacity

For 500 mL of phosphate buffer with 0.5 M of H3PO4 and 0.3 M NaH2PO4 calculate acidic and basic buffer capacity. How much of strong acid should be added to shift buffer pH one unit down, and how much of the strong base is needed

  Describe the use of beta-alanine

Explain the use of beta-alanine? Is it used as a H+ source, or something else? Why can malonic acid be reacted in V-D modification, while only its ester can be reacted in standard Knoevenagel condensation conditions?

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