2- Ahmed has done four types of titrations of 1M and 50 ml forboth acid and base (Conductometric Titration of Strong Acidwith Strong Base , Potentiometric Titration of Weak Acidwith Strong Base , Potentiometric Titration of Strong Acidwith Strong Base and Conductometric Titration of WeakAcid with Strong Base ). He plotted the results in curves asshown below. Match between the type of titration and his results3- Ahmed standardized NaOH (10 ml) with KHP( mass=1 g ,MW= 204 g/mol ). Calculate the concentration ofstandardized NaOH?4- Calculate pka for a weak acid titrated with strong baseusing the curve shown below?1412-10-86-4-2-0-10203040505- If the solute moved 3 cm in paper chromatography and R,was 0.5. How long in cm the solvent has moved? O 4G ll.Done Final exam_dde3a4008bef6ffbf3...sity2IDAcademic Year:me311Lion:10'of Na1- Name the glassware and the apparatuses that showing byyour instructor.A.В.С.D.2- Ahmed has done four types of titrations of 1M and 50 ml forboth acid and base (Conductometric Titration of Strong Acidwith Strong Base , Potentiometric Titration of Weak Acidwith Strong Base , Potentiometric Titration of Strong Acidwith Strong Base and Conductometric Titration of WeakAcid with Strong Base ). He plotted the results in curves asshown below. Match between the type of titration and his results3-stanJaOH (10 ml)KHP( mass= 1 g,MW= 204 g/mol ). Calculate the concentration ofstandardized NaOH?4- Calculate pka for a weak acid titrated with strong baseusing the curve shown below?125- If the solute moved 3 cm in naner chromatography and R,

1. Curve for Conductometric titration of strong acid Vs strong base : 2. Curve for Potentiometric…

2- Ahmed has done four types of titrations of 1M and 50 ml for both acid and base (Conductometric Titration of Strong Acid with Strong Base , Potentiometric Titration of Weak Acid with Strong Base , Potentiometric Titration of Strong Acid with Strong Base and Conductometric Titration of Weak Acid with Strong Base ). He plotted the results in curves as shown below. Match between the type of titration and his results

2- Ahmed has done four types of titrations of 1M and 50 ml for both acid and base (Conductometric Titration of Strong Acid with Strong Base , Potentiometric Titration of Weak Acid with Strong Base , Potentiometric Titration of Strong Acid with Strong Base and Conductometric Titration of Weak Acid with Strong Base ). He plotted the results in curves as shown below. Match between the type of titration and his results

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Observing the chart below, inform which curve represents the titration of a weak acid and which represents the titration of a strong acid. Both the acids are in the same concentration. Justify.
11,The equivalence point of titrating of the weak base with the strong acid will be observed at Group of answer choices A, pH>7 B, pH<7 C, pH=pKb D, pH>pKb E, pH=7 12,The titration curve of titrating a diprotic acid with a strong base will have two distinct equivalence points Group of answer choices A, if Ka1<<Ka2 B, if Ka1=Ka2 C, always D, in case of ta strong acid E, if Ka1>>Ka2
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Choose the false statement. O The pH of the acetic acid solution at the equivalence point is less than 7.00 O In contrast to strong acids and bases, the shape of the titration curve for a weak acid or a weak base depends on the identity of the acid or the base and the corresponding Ka or Kb. The end point of titration is the point at which the number of moles of base (or acid) added equals the number of moles of acid (or base) originally present in the solution. The shape of the curve for a titration involving a strong acid and a strong base depends on only the concentrations of the acid and base, not their identities.
12.0 10.0 8.0 pH 6.0 4.0 C 2.0 0.0 D 0 5 10 15 20 25 30 mL of 0.1 M NaOH The graph above shows the titration curves of four monoprotic acids of varying strengths. All of the acids start out at 0.1 M concentration and 25.0 mL volume. Choose all of the correct statements about these titration curves from the cholces below. The titration curve labelled "D" is generated by the strongest acid in the series. In the curves shown above the stronger the acid the less NaOH required for neutralization. The stronger the acid the more important is the pKa of the Indicator used for titration. The Ka of the acid which generates curve "C" is about 103 The weaker the acid the lower the pH of the neutralization point. The acid which generates curve "D" has the highest neutralization-point pH in the series.
Data for the titration of 100.00 mL of a weak acid by NaOH are given in the table. Find the end point by preparing a Gran plot, using the last 10% of the volume prior to Ve. mL NaOH 0.00 1.31 2.34 3.91 5.93 7.90 11.35 13.46 15.50 16.92 18.00 18.35 18.95 19.43 19.93 20.48 V₂ = pH 4.14 4.30 4.44 4.61 4.79 4.95 5.19 5.35 5.50 5.63 5.71 5.77 5.82 5.89 5.95 6.04 mL NaOH 20.75 21.01 21.10 21.13 21.20 21.30 21.41 21.51 21.61 21.77 21.93 22.10 22.27 22.37 22.48 22.57 pH 6.09 6.14 6.15 6.16 6.17 6.19 6.22 6.25 6.27 6.32 6.37 6.42 6.48 6.53 6.58 6.63 mL NaOH 22.70 22.76 22.80 22.85 22.91 22.97 23.01 23.11 23.17 23.21 23.30 23.32 23.40 23.46 23.55 pH 6.70 6.74 6.78 6.82 6.86 6.92 6.98 7.11 7.20 7.30 7.49 7.74 8.30 9.21 9.86 mL
On the following titration curve, indicate what the pH is at each point (eg. >7, =7, <7), what the major chemical species present are, and what type of solution is present Titration curve is shown on the image provided
Calculate the pH for each of the cases in the titration of 25.0 mL of 0.110 M pyridine, C₁H₁N(aq) with 0.110 M HBr(aq). The Kb of pyridine is 1.7 x 10-⁹. before addition of any HBr pH = after addition of 12.5 mL of HBr after addition of 16.0 mL of HBr after addition of 25.0 mL of HBr after addition of 35.0 mL of HBr 9.31 pH = pH = pH = pH = 5.23 4.63 Incorrect 11.65 Incorrect 1.33 Incorrect
Please answer; they were all the same choices.
based on the titration curves, compare the three curves and make conclusions based on their shapes.
If the pH at the 1/2 equivalence point is 4.19, what would be the Ka?