What is the ionization constant of this acid
A 0.200 M solution of a weak monoprotic acid HA is found to have a pH of 3.00 at room temperature. What is the ionization constant of this acid?
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A litre of solution containing 0.1 M of CH3COOH and 0.1 M of CH3COONa provides a buffer of pH 4.74 . calculate the pH of a solution after the addition of 0.02 M of NaOH . The dissociation constant of CH3COOH is 4.75x10-5.
A solution of Silver nitrate can be used to prepare photograpic film. If 50.00 g silver nitrate is used to make 500 ml of solution, what is the Molarity of the solution? What is the % (w/v) of the solution.
A 3-lb collar can slide on a horizontal rod which is free to rotate about a vertical shaft. The collar is intially held at A by a cord attached to the shaft.
Discuss how, with corporate backing, engineers who subscribe to fred cuny's ideas about effective disaster relief in his disasters and development (oxford university press,1983) might approach the engineering challenges of katrina?
A half-cell that consists of a copper wire in 1.00 M CuNO3 solution is connected by a salt bridge to a half cell containing a 1.00 M X(II) acetate solution. Calculate the standard reduction potential for the X half-reaction.
Applying the bandpass sampling theorem to a signal of bandwidth W around a certain frequency f0, what happens to the minimum required fs when the bandwidth is shrunk to zero? Explain the result.
If N2H4 were prepared and put into a cylinder at 1 atm pressure, and then subsequently allowed to come to equilibrium at this same total pressure, how much hydrazine would remain (what partial pressure)?
A long cylindrical rod of diameter 200 mm with thermal conductivity of 0.5 W /m K experienced uniform volumetric heat generation of 24,000 W /m3.
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