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A 100.0 mL aliquot of a dibasic compound with Kb1= 1*10^-4 and Kb2 = 1*10^-8 was titrated with 1.00 M HCl. Calculate what the pH of the solution would be after 15.0 mL of the acid was added to the 100 mL aliquot base.
For each of the following mixtures, put an X next to those in which a reaction will occur. potassium bromide and chlorine sodium chloride and bromine potassium iodide and bromine potassium iodide and chlorine sodium bromide and iodine sodium chlor..
Calculate the equilibrium concentration of Ni2+ during the titration of 50.00 ml of a 0.0250 M NI2+ solution buffered to a constant pH of 6.0 following the addition of
What is meant by enriched uranium? 1.Enriched uranium is an uranium-containing substance in which its natural amount of uranium-235 was increased.
Titration of the newly freed EDTA required 24.6 mL of 0.0220 M Ca2 . What were the molarities of Cd2 and Mn2 in the original solution?
calculate the energy levels of the pi-netwrok in octatetraene c8h10 using the particle in the box model. to calculate
Sulfhydryl groups have the ability to react with the alkylating reagent N-ethylmaleimide (NEM) in chemical modification experiments. When NEM is added to a purified solution of creatine kinase
Enough of a monoprotic acid is dissolved in water to produce a 0.0170 M solution. The pH of the resulting solution is 6.34. Calculate the Ka for the acid.
Draw Lewis structures of the four molecules and/or ions with the formulas given below and figure out which two of these are isoelectronic with each another.
The falling down of a piece of chalk (when the hand holding it is taken off) is an energy-controlled process, because there is no change in its entropy in the process.
If 26.96 mL of a standard 0.1650 M NaOH solution is required to neutralize 27.37 mL of H2SO4, what is the molarity of the acid solution
calculate the percent yield based upon the amount of maleic anhydride used. use the molecular weight of one repeating monomer unit for the weight of the product.
A white precipitate formed. This mixture was centrifuged and separated, and the clear solution was then treated with 1 M Na2Co3. No Preceipitate formed. Which metal ions were present in your unknown? Which metal ions were absent
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