The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid solution with a 0.1 M solution of a monoprotic base. 14 pH 12 10 8. 6. 4. 2. 0. 10 15 20 25 30 35 40 45 50 mL of 0.1 M base added (1) The pH curve represents the titration of a v acid with a v base. (2) Choose a suitable indicator for the endpoint of the titration from the following pulldown list. Malachite green 02 18 Thymol blue 2.8 8.0 96 Previous Next Methyl orange

The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid solution with a 0.1 M solution of a monoprotic base. 14 pH 12 10 8. 6. 4. 2. 0. 10 15 20 25 30 35 40 45 50 mL of 0.1 M base added (1) The pH curve represents the titration of a v acid with a v base. (2) Choose a suitable indicator for the endpoint of the titration from the following pulldown list. Malachite green 02 18 Thymol blue 2.8 8.0 96 Previous Next Methyl orange

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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12 pH 7- a ml added 1. The titration curve represents the titration of (a) strong acid titrates a strong base. (b) strong acid titrates a weak base. (c) strong base titrates a weak acid. (d) weak acid titrates a weak base. 2. Using the chart of indicators (below), select a suitable indicator for the end point of the titration. pH Range 3.1 – 4.4 Indicator (a) Methyl orange (b) Bromothymol blue (c) Thymol blue (d) Cresol red 6.0 – 7.6 1.2 – 2.8 7.2 – 8.8
The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid solution with a 0.1 M solution of a monoprotic base. 14 - pH 12 10 8 6 4 2 10 15 20 25 30 35 40 45 50 mL of 0.1 M base added (1) The pH curve represents the titration of a v acid with a v base. (2) Choose a suitable indicator for the endpoint of the titration from the following pulldown list. Malachite green 0.2 1.8 Thymol blue 1.2 2.8 8.0 9.6 Methyl orange 3.2 4.4 Bromocresol green 3.8 5.4 Methyl red 4.8 6.0 Bromothymol blue 6.0 7.6 Cresol red 7.0 8.8 Phenolphthalein 8.2 10.0 Thymolphthalein 9.4 10.6 Alizarin yellow 10.1 12.0 pH 0 1 2 3 4 6. 8 10 11 12 13 14
when a weak base ammonia is titrated with HCl at equivalence point, its pH = 7.00 true or false?
When 100 mL of a 1.0M strong acid is 50% titrated with 1.0M strong base, the volume of the base should be added is 50mL and the pH at this point is 7.00. True or False?
Estimate the Ka of the weak acid being titrated in this curve.
The K of a certain indicator is 7× 107. The color of HIn is green and that of Inis red. A few drops of the indicator are added to an HC1 solution, which is then titrated against an NaOH solution. Over which pH range will the indicator change color? Select the single best answer. 7.2 to 9.2 ○ 4.2 to 6.2 O 6.2 to 8.2 O 5.2 to 7.2 O 3.2 to 5.2
13 Two titrations are performed as indicated below: 25.0 mL of 0.10 M strong. monoprotic acid 0.20 M NaOH solution 25.0 mL of 0.10 M weak monoprotic acid
Use the titration curve to calculate the pKa of HA when 5.00 mL of NaOH has been added.
Help me with both parts of number 4
The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid solution with a 0.1 M solution of a monoprotic base. 14 pH 12 10 8 6 4 2 0 0 5 10 15 20 25 30 35 40 45 50 mL of 0.1 M base added (1) The pH curve represents the titration of a (2) Choose a suitable indicator for the endpoint of the titration from the following pulldown list. 0 Malachite green Thymol blue Methyl orange Bromocresol green Methyl red Bromothymol blue Cresol red Phenolphthalein Thymolphthalein Alizarin yellow 0.2 1.8 pH 0 1 1.2 2 2.8 3 3.2 4.4 3.8 5.4 4 4.8 6.0 5 6.0 6 25 7.0 71 7 8.0 9.6 7.6 8.2 8 8.8 10.0 94 10.6 10.1 9 10 11 acid with a 12.0 12 13 14 base.
Which statement is true before the stoichiometric point of a weak acid with a strong base? A buffer is present. Only the weak acid (analyte) is present. Only a basic salt is present. Only strong base (titrant) is present. Only a basic salt is present. Only an acidic salt is present.
The following plot shows two titration curves, each representing the titration of 50.00 mL of 0.100 M acid with 0.100 M NAOH. 14 12 10 8 • d 4 b 2 20.0 40.0 60.0 80.0 100.0 mL of 0.100 M NAOH added 15) Which point a-d represents the equivalence point for the titration of a weak 15) acid? A) point a B) point b Opoint c D) point d 6. Hd