strongest acid? pka=8 conjugate base kb=2 pka=4 cb pkb=9 pka=7 what is pH of Cu(ClO4)2 ph...
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strongest acid?
pka=8
conjugate base kb=2
pka=4
cb pkb=9
pka=7
what is pH of Cu(ClO4)2
ph...
You have an acid with pKa=4.037. What is the pKb of its conjugate base? (pKa and...
You have an acid with pKa=4.037. What is the pKb of its conjugate base? (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.)
For the weak base B, pKb = 4.83. Give the value of pKa for the conjugate...
For the weak base B, pKb = 4.83. Give the value of pKa for the conjugate acid BH+. At what pH does [B]=[BH+]? What is the ratio [B]/[BH+] at pH=7.05? What is the ratio [B]/[BH+] at pH=12.23?
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.)
1. Identify the acid (A), base (B), conjugate acid (CA) and the conjugate base (CB) in...
1. Identify the acid (A), base (B), conjugate acid (CA) and the conjugate base (CB) in the following equation (5) NH3(aq) + H2O + NH(aq) + OH(aq) B CB CA 2. Determine the pH of a solution at 25°C in which the hydronium ion [H3O+] is 3.5 X 10 - log 3.5x10-4 - pH = 3.45 M. C 3. Calculate the [H3O+] in a solution at 25°C in which the pH is 4.76. (5)
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?
A base is found to have Kb = 7.79x10-4. What is the pKb for this acid?
A base is found to have Kb = 7.79x10-4. What is the pKb for this acid?
1. Identify the acid (A), base (B), conjugate acid (CA) and the conjugate base (CB) in the following equation (5) NH3(aq) + H2O + NH(aq) + OH(aq) B CB CA 2. Determine the pH of a solution at 25°C in which the hydronium ion [H3O+] is 3.5 X 10 - log 3.5x10-4 - pH = 3.45 M. C 3. Calculate the [H3O+] in a solution at 25°C in which the pH is 4.76. (5)
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