Consider a titration of 20.00mL cyanic acid solution (Ka=3.5x10^-4) with 0.1082 M solution of sodium hydroxide. The volume of 21.70 mL of NaOH(aq) was needed to reach the equivalence point. Calculate:
a) the concentration of the cyanic acid solution before the titration
b) the pH of the cyanic acid solution before the titration
c) the pH of the solution at half-equivalence point
Consider a titration of 20.00mL cyanic acid solution (Ka=3.5x10^-4) with 0.1082 M solution of sodium hydroxide....
Consider a titration of 25.00 mL Chloroacetic Acid solution [ka=1.4x10^-3] with 0.1202 M solution of sodium hydroxide. The volume of 27.40 mL of NaOH(aq) was needed to reach the equivalence point. Calculate: a) The concentration of the chloroacetic acid solution before the titration b) the pH of the chloroacetic acid solution before titration c) the pH of the solution at half equivalence point d) the pH of the solution at the equivalence point e) the pH of the solution when...
Benxoic acid, C7H5O2H is a weak monoprotic acid (Ka = 6.3 * 10-5). Consider a titration between 20.0 mL of 0.100M benzoic acid solution with 0.200 M sodium hydroxide, NaOH. a.) What volume of NaOH is required to reach the equivalence point? b.) Calculate the pH of the solution at equivalence point
Answer the following questions for titration of 10.00 mL of a hypochlorous acid solution with a 0.09975 M sodium hydroxide. 1. If 20.05 mL of the sodium hydroxide solution were required to reach the endpoint in the titration, what was the original concentration of the hypochlorous acid solution? 2. What was the initial pH of the hypochlorous acid solution (before any sodium hydroxide was added)? 3. What was the pH in the titration after addition of 4.01 mL of NaOH?...
Consider the titration of 151 mL of a 0.210 M solution of caproic acid (Ka = 1.3×10-5) with 1.40 M KOH. How much titrant must be added to reach the equivalence point? V = _______ mL How much titrant must be added to reach the half-way point? V = ______ mL What is the pH at the half-way point? pH =
Consider a titration of 250 mL 0.15 M acetic acid (Ka = 1.8 x10-5) with 0.10 M KOH. What is the pH of the acetic acid solution (ie: before the titration has begun?) What is the pH after adding 25 mL of 0.10 M KOH? What is the volume of base needed to reach the equivalence point? Is the pH at equivalence point acidic, basic, or exactly neutral? What is the pH after 500 mL of KOH has been added?
Consider the titration of 15.00 mL of 0.1800 M propionic acid (CH3CH2COOH), with 0.1555 M NaOH. Ka for propionic acid is 1.34 X 10-5 a. What volume of base is required to reach the equivalence point? b. When the equivalence point is reached, sodium propionate ionizes in water. Write the equation for the reaction. C. What is the pH at the equivalence point? (20 points) Consider the titration of 15.00 mL of 0.1800 M propionic acid (CH3CH2COOH), with 0.1555 M...
of Hydrofluoric acid (Ka-6.6 x 10") solution is titrated with f NaOH. Draw a titration curve, labeling the initial pH (when no sodium 40. 100 ml ofa 0.3 M olution 0.3 M solution hydroxide has been added), the pH at the mid-point of the titration, and the pH at the equivalence point (16 points). of Hydrofluoric acid (Ka-6.6 x 10") solution is titrated with f NaOH. Draw a titration curve, labeling the initial pH (when no sodium 40. 100 ml...
ASAP please Consider the titration of 50.0 mL of 0.200 M hypochlorous acid HCIO (Ka = 3.5 x 10-8) with 0.250 M NaOH. 5- How many milliliters of NaOH are required to reach the equivalence point? a) b) Calculate the pH before titration c) Calculate the pH after adding 40.0 mL. of NaOH d) Calculate the pOH after adding 20.0 ml, of NaOH
In the titration of a solution of weak monoprotic acid with a 0.1275 M solution of NaOH, the pH half way to the equivalence point was 4.48. In the titration of a second solution of the same acid, exactly twice as much of a 0.1275 M solution of NaOH was needed to reach the equivalence point. What was the pH half way to the equivalence point in this titration? In the titration of a solution of weak monoprotic acid with...
In the titration of a solution of weak monoprotic acid with a 0.1800 M solution of NaOH, the pH half way to the equivalence point was 4.42 . In the titration of a second solution of the same acid, exactly twice as much of a 0.1800 M solution of NaOH was needed to reach the equivalence point. What was the pH half way to the equivalence point in this titration?