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A buffer solution is prepared by dissolving 1.50 g each of benzoic acid, C6H5CO2H, and Sodium Benzoate, NaC6H5CO2, in a 150.00 ml of solution. The Ka for benzoic acid = 6.3E-5.
What is the pH of this buffer solution?
also which buffer component could be added to change the pH to 4.00?
were used to dissolvethe potassium hydrogen phthalate, would the calculated molarity of the NaOH solution be less, greater or remain the same? Explain
what is a cyanide based compound used in synthesis of methadone?
Sulfuryl chloride (SO2Cl2) in the gas phase decomposes to sulfur dioxide and chlorine gas. A) what is the rate law? B) What is the value of the rate constant (k)?
Ba(OH)2 is dissolved in 100 grams of water at 90 degrees celsius until the sloution is saturated. If the solution is then cooled to 45 degrees celsius, how many grams of Ba(OH)2 will precipitate out of the solution?
What effect on the temperature of a boiling liquid and on its distillation temperature is produced by a soluble, nonvolatile impurity?
A mixture of heptane/decane at 1.8 bar, 120?C contains 80% by mol heptane. At what pressure should it be flashed to obtain a stream that is 90% rich in heptane? What are the composition of the liquid and the amounts of the two phases?
A solution was prepared by mixing 50.00 mL of 0.190 M HNO3 and 124.00 mL of 0.150 M HNO3. Calculate the molarity of the final solution of nitric acid.
Calculate the final temperature of 204 mL of water initially at 35 degrees C upon absorption of 18kJ of heat.
When 56.0 g calcium and 34.7 g nitrogen gas undergo a reaction that has a 88.0% yield, what mass of calcium nitride forms?
What was the nucleophile generated? What are the other products that can be formed in the presence of sulfuric acid?
what is the enthalpy change per mole of ethanol combusted? The specific heat capacity of water is 4.184 J/g×K and the molar mass of ethanol is 46.07 g/mol.
If an aqueous solution has a hydronium ion concentration ([H3O+]) of 5.10 x 10-9 mol/L, what is the hydroxide ion concentration ([OH-]) in the solution
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