Explain what weight of sodium acetate trihydrate

Assignment Help Chemistry
Reference no: EM13549218

What volume of glacial acetic acid (18 M) and what weight of sodium acetate trihydrate (CH3COONa•3H2O) are required to make 100 mL of 0.2 M buffer at pH 4.50 (pKa of acetic acid is 4.74)?

Reference no: EM13549218

Questions Cloud

What would be the vertical load on the sample : A core sample of basalt, 4 inches long and 2 inches in diameter, was tested in unconfined compression. The basalt is known to have a modulus of elasticity = 9.1 x 106 psi.
Explain the preparation of triethanolamine buffer : Describe the preparation of 250 mL of 0.6 M triethanolamine buffer, pH 7.2, from the free amine and 1.0 M HCl (pK for the amine hydrochloride is 7.80).
Define what volume increase is necessary for all the water : A vessel contains 0.90 g liq H2O in equilibrium with water vapor at 30C. At this temperature, the vapor pressure of H2O is 31.82 torr. What volume increase is necessary for all the water to evaporate
Determine the incremental rate of return between company : The General Hospital is evaluating new office equipment offered by three companies. The interest rate is 8%. Company A Company B Company C Cost $500 $600 $700 Annual benefit 130 115 100 End of useful life salvage value 0 250 180 Useful life (yrs) 5 5..
Explain what weight of sodium acetate trihydrate : What volume of glacial acetic acid (18 M) and what weight of sodium acetate trihydrate (CH3COONa•3H2O) are required to make 100 mL of 0.2 M buffer at pH 4.50 (pKa of acetic acid is 4.74)
What is the discharge through the pipe for a water : A fire hydrant is supplied through a 6 inch cast iron pipe of 16,000 feet length. The total drop in pressure is limited to 35 psi. What is the discharge through the pipe for a water temperature of 80°F
Determine the return and the risk associated with purchase : A new machine will cost $25,000. The machine is expected to last 4 years and has no salvage value. If the interest rate is 12%, determine the return and the risk associated with the purchase. The estimated annual savings and its probability
What is the expected annual savings : An energy efficiency project has a first cost of $300,000, A life of 10 years, and no salvage value. Assume that the interest rate is 9%. The most likely value for annual savings is $60,000. The optimistic value for annual savings is $80,000 with a p..
Explain what is the lenght of a side of the square in cm : The density of gold is 19.3 g/cm3. A 3.4 mg piece of gold is hammered into a square trhat is 8.6 x 10-6 cm thick. what is the lenght of a side of the square, in cm

Reviews

Write a Review

Chemistry Questions & Answers

  The molar mass of corn oil is 890gmole how many moles and

the molar mass of corn oil is 890gmole. how many moles and how many grams of sodium hydroxide are required to react

  Evaluate the relative deviation for the set of data

A pipet delivers 10.5, 10.3, 10.9 and 10.7 ml .(a)find the mean volume and deviation from the mean for each and calculate the average deviation from the mean (b) calculate the relative deviation (in %) for this set of data. Relative deviation (%) ..

  Explain the bright-red color of highway safety flares

The bright-red color of highway safety flares comes from strontium ions in salts such as Sr(NO3)2 and SrCO3. Burning a flare produces strontium ions in excited states,

  Define mixture of three weak acids

a titration curve for H3PO4 (triprotic acid) and a mixture of three weak acids?

  Find the mass of acetic acid in the solution of viniger

viniger is made by adding 33 g of acetic acid to 625 g of water what is the percent by mass of acetic acid in the solution of viniger?

  Compute the pressure in atmospheres

Also calculate the pressure in atmospheres using the van der Waals equation. For N2, a=1.35 (L^2?atm)/mol^2, and b=0.0387 L/mol.

  A certain second-order reaction has a rate constant of

a certain second-order reaction has a rate constant of 1.75times10-3 at 27 and an initial half-life of 274 . what is

  Compute the concentration in ppm of a pollutant

Calculate the concentration in ppm of a pollutant that has been measured at 450 mg per 150 kg of sample.

  Explain r-side chains in a dipeptide id lab using carbon

Can somebody who knows how to identify two R-side chains in a dipeptide ID lab using carbon and proton NMR please give me their email so i can send them some things i need help with.

  Find out the bimolecular rate constant of a reaction

Determine the bimolecular (second order) rate constant of a reaction if the initial reagent concentration decreases from 4.6900 mol/L, to 0.59400 mol/L in 13.00 seconds.

  Explain eventually winds up becoming non-radioactive

Our book shows a radioactive decay series in which a sample that starts out as U-238 eventually winds up becoming non-radioactive Pb-206. The half life for this process is extremely long, being 4.51 x 10^9 years. Consider a radioactive mineral sam..

  Explain the final ph of, a solution of formate titrated

what is the final ph of, a solution of 30ml of .2 m formate titrated with 25 mL of .24M HCL Kb for formate = 5.6*10^-11

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