posted by .

Calculate the pH of a 0.053 M (C2H5)2NH solution (Kb = 1.3 10-3).

  • Chemistry -

    ..........B2NH + HOH ==> B2NH2^+ + OH^-

    Kb = (B2NH^+)(OH^-)/(B2BH)
    Substitute into Kb expression and solve for x (which is OH^-). Convert to pH.

  • Chemistry -


Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Chemistry-Question 3

    A 4.86 kg sample of a solution of the solute chloroform in the solvent (C2H5)2O that has a concentration of 1.91 pph by mass chloroform is available. Calculate the amount (g) of CHCl3 that is present in the sample. Molar Mass (g/mol) …
  2. chemistry

    Calculate the pH of a 0.35 M solution of dimethylamine, (CH3)2NH.
  3. Chemistry

    A 1.33 m solution of the solute diethyl ether dissolved in the solvent tetrahydrofuran is available. Calculate the mass(kg) of the solution that must be taken to obtain 0.4716 kg of diethyl ether. Name/Formula: diethyl ether = (C2H5)2O …
  4. chemistry

    Calculate the volume ( mL ) of the solute C2H5OH and the mass ( g ) of the solvent diethyl ether that should be mixed to produce 3.46 kg of a solution that is 1.31 m C2H5OH. volume ( mL ) of the C2H5OH mass ( g ) of the (C2H5)2O Molar …
  5. Chem

    Estimate the equilibrium constant for the weak base (CH3)2NH, if a 1.59×10-2 M aqueous solution of (CH3)2NH has a pOH 2.58 (make an exact calculation assuming that initial concentration is not equal to the equilibrium concentration). …
  6. chemistry

    Calculate the pH of a 0.063 M (C2H5)2NH solution (Kb = 1.3 10-3).
  7. Chemistry

    CH3(C2H5)CHC(C2H5)UCH(CH3)CH((C2H5)2) Looking for skeletal diagram and formula
  8. Chemistry

    Diethylamine (C2H5)2NH, is a weak base that ionizes in water,a 0.600 M solution of (C2H5)2NH is 4.65% ionized at 25 degrees Celsius. -Calculate the pH of the solution. -Calculate the Kb for diethylamine.
  9. Chemistry

    Q1: You wish to prepare a buffer solution with pH = 11.10. What volume of 6.0 M HCl would you add to 500 mL of 0.10 M (C2H5)2NH to prepare the buffer?
  10. chemistry

    5. The tetraethyl lead [Pb(C2H5)4] in a 25.00-mL sample of aviation gasoline was shaken with 15.00mL of 0.02095M I2. The reaction is: Pb(C2H5)4 + I2  Pb(C2H5)3I + C2H5I. After the reaction was complete, the unused I2 was titrated …

More Similar Questions