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58 solutions

Weak Base Strong Acid Titrations

Q. Calculate the hydronium ion concentration and the pH when 80.0 mL of 0.45 M NH3 is mixed with 80.0 mL of 0.45 M HCl (Ka = 5.6x10^-10).

Solved • Oct 22, 2019

Weak Base Strong Acid Titrations

Q. Calculate the pH after 0.015 mole of HCl is added to 1.00 L of each of the four solutions. (Assume that all solutions are at 25°C.) in 0.134 M sodium acetate (NaC2H3O2)

Solved • Nov 30, 2019

Weak Base Strong Acid Titrations

Q. Calculate the pH after 0.014 mole of HCl is added to 1.00 L of each of the four solutions. (Assume that all solutions are at 25°C.) in 0.147 M sodium pentanoate (NaC5H9O2)

Solved • Nov 26, 2019

Weak Base Strong Acid Titrations

Q. When 25 mL of 0.12 M aqueous ammonia is titrated with 0.12 M hydrobromic acid, what is the pH at the equivalence point? For ammonia, NH3, Kb = 1.8 x 10-5. Equivalence point pH = ------------?

Solved • Nov 14, 2019

Weak Base Strong Acid Titrations

Q. Consider a buffer solution that is 0.50 M in NH3 and 0.20 M in NH4Cl. For ammonia, pKb = 4.75. Calculate the pH of 1.0 L of the solution upon addition of 30.0 mL of 1.0 M HCl to the original buffer solution. Express your answer to two decimal places.

Solved • Nov 8, 2019

Weak Base Strong Acid Titrations

Q. Consider the titration of 50.0 mL of 0.20 M NH3 (Kb = 1.8x10^-5) with 0.20 M HNO3. Calculate the pH after addition of 50.0 mL of the titrant at 25 degrees C. Express the pH numerically.

Solved • Nov 8, 2019

Weak Base Strong Acid Titrations

Q. Sketch the titration curve and calculate the pH of the equivalence point for the titration of 30mL of 0.20M CH3NH2 with 0.10M HBr.

Solved • Nov 5, 2019