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A solution is initially 0.050M in acetate, CH3COO- (Kb = 5.6 x 10^-10). 10.0mL of 0.10 M HCl is added. Calculate Ka for the conjugate weak acid of CH3COO-.
Explain briefly how you could prepare the buffer solution in (a) if you had available the solid salt of the only one member of the conjugate pair and solution of a strong acid and a strong base.
nitrobenzenediazonium chloride occurs mainly para to the -N(CH3)2 group of N,N-dimethylaniline but ortho
Show the retrosynthesys for 1ciclohexil-2-pentanona? The reactive is suppose to be bromociclohexano
A spherical ball of lead has a diameter of 6.5 cm. What is the mass of the sphere if lead has a density
In a titration of HNO3, you add a few drops of phenolphthalein indicator to 50.00 mL of acid in a flask. You quickly add 26.50 mL of 0.0502 M NaOH but overshoot the end point
In the monochlorination of hydrocarbons, a hydrogen atom is replaced by a chlorine atom. How many different monochloro derivatives of 2-methylpentane are possible
A 613-mL sample of unknown HCl solution reacts completely with Na2CO3 to form 11.1g CO2 . What was the concentration of the HCl solution
The water temperature before the reaction was 34.5°C, and after the reaction it had risen to 52.0°C. How many moles of water were formed?
Synthesis of Nylon: Relative Reactivities of Acid Chloride, Acid Chlorides are known to be reactive towards water, however successful polymer preparation can be made with 5% aqueous
determine the pH at the equivalence point in the titration of 28.5 mL of 0.694 M pyridine, C6H5N, by 0.770 M HNO3.
if it takes 1656 kj/mol to break all bonds in methane, what is the bond empathy of one C-H bond?
calculate the stoichiometric air-fuel ratio of a fuel blend containing 80 vol.% ethanol and 20 vol.% gasoline
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