1. An week base, aniline, has a pKb of 9.400. What is the Ka for this...
1. An week base, aniline, has a pKb of 9.400. What is the Ka for this base? What is the Ka for the conjugate acid of the aniline (i.e. protonated aniline)?
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1. An week base, aniline, has a pKb of 9.400. What is the Ka for
this...
If the Ka of the conjugate acid is 2.39 × 10-4 , what is the pKb...
If the Ka of the conjugate acid is 2.39 × 10-4 , what is the pKb for the base?
What is the pKb of ClO2-? Hints: What is the Ka of the conjugate acid of...
What is the pKb of ClO2-? Hints: What is the Ka of the conjugate acid of ClO2-? You're finding Ka then calculating pKb from that.
Aniline CoH5NH2, a weak base, has a Kb = 4.3 x 10-10 at 25°C. (a) What...
Aniline CoH5NH2, a weak base, has a Kb = 4.3 x 10-10 at 25°C. (a) What would be the pH of a 2.05 M solution of aniline? (8 pts) (b) What is the Ka of aniline's conjugate acid? (3 pts)
A certain base has pKb = (7.971x10^0). What is the base's Kb? (Ka, Kb, pKa, and...
A certain base has pKb = (7.971x10^0). What is the base's Kb? (Ka, Kb, pKa, and pKb are unitless quantities.) Note: Your answer is assumed to be reduced to the highest power possible.
A certain base has pKb = (5.035x10^0). What is the base's Kb? (Ka, Kb, pKa, and...
A certain base has pKb = (5.035x10^0). What is the base's Kb? (Ka, Kb, pKa, and pKb are unitless quantities.) Note: Your answer is assumed to be reduced to the highest power possible.
A certain base has pKb = (4.068x10^0). What is the base's Kb? (Ka, Kb, pKa, and...
A certain base has pKb = (4.068x10^0). What is the base's Kb? (Ka, Kb, pKa, and pKb are unitless quantities.) Note: Your answer is assumed to be reduced to the highest power possible.
Consider a weak base that has a pKb of 4.2. • What is the pKa of...
Consider a weak base that has a pKb of 4.2. • What is the pKa of this solution? • What is the pH of a 0.2 M solution of this base? • If you were to mix 50 mL of the 0.2 M base with 50 mL of a 0.1 M solution of its conjugate acid, what would the pH of this buffer be, and what is its effective buffering range?
What is the pKb of a weak base KA if the pH of a 0.079-M solution...
What is the pKb of a weak base KA if the pH of a 0.079-M solution of KA is 9.40?
A base is found to have Kb = 7.79x10-11. What is the pKb for this acid?...
A base is found to have Kb = 7.79x10-11. What is the pKb for this acid? (Ka, Kb, pKa, and pKb are unitless quantities.)
A base is found to have Kb = 7.53x10-9. What is the pKb for this acid?...
A base is found to have Kb = 7.53x10-9. What is the pKb for this acid? (Ka, Kb, pKa, and pKb are unitless quantities.)
Aniline CoH5NH2, a weak base, has a Kb = 4.3 x 10-10 at 25°C. (a) What would be the pH of a 2.05 M solution of aniline? (8 pts) (b) What is the Ka of aniline's conjugate acid? (3 pts)
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