If the equivalence point of the titration is when the pH is 4, what indicators could you use? Acidic Basic T Indicator pH Range 2 3 4 5 6 7 8 9 10 11 12 13 14 Thymol Blue 1.2-2.8 and 8.0-9.2 Methyl Orange 3.0-4.4 Bromphenol Blue 3.0-46 Congo Red 3.0-5.0 Bromcresol Green 38-5.4 Methyl Red 4.4-6.2 Bromthymol Blue 60-7.6 Phenol Red 6.8-8.4 Which one would you use if the pH is 6?

If the equivalence point of the titration is when the pH is 4, what indicators could you use? Acidic Basic T Indicator pH Range 2 3 4 5 6 7 8 9 10 11 12 13 14 Thymol Blue 1.2-2.8 and 8.0-9.2 Methyl Orange 3.0-4.4 Bromphenol Blue 3.0-46 Congo Red 3.0-5.0 Bromcresol Green 38-5.4 Methyl Red 4.4-6.2 Bromthymol Blue 60-7.6 Phenol Red 6.8-8.4 Which one would you use if the pH is 6?

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...

See similar textbooks

Similar questions

Design a buffer that has a pH of 8.62 using one of the weak base/conjugate acid systems shown below. Weak Base Kb Conjugate Acid Ka pKa CH3NH2 4.2×10-4 CH3NH3+ 2.4×10-11 10.62 C6H15O3N 5.9×10-7 C6H15O3NH+ 1.7×10-8 7.77 C5H5N 1.5×10-9 C5H5NH+ 6.7×10-6 5.17 How many grams of the bromide salt of the conjugate acid must be combined with how many grams of the weak base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams bromide salt of conjugate acid = grams weak base =
the capacity of a buffer is affected by its strength and by the relative amounts of weak acid and conjugate base. True False
The next questions are related to the titration of 25 mL of a 0.0950 M acetic acid solution with 0.900 M KOH. What is the initial pH of the analyte solution?
Design a buffer that has a pH of 3.35 using one of the weak acid/conjugate base systems shown below. Weak Acid Conjugate Base Ka pKa HC2O4- C2O42- 6.4 × 10-5 4.19 H2PO4- HPO42- 6.2 × 10-8 7.21 HCO3- CO32- 4.8 × 10-11 10.32 How many grams of the sodium salt of the weak acid must be combined with how many grams of the sodium salt of its conjugate base, to produce 1.00 L of a buffer that is 1.00 M in the weak base?grams sodium salt of weak acid = grams sodium salt of conjugate base =
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH. First what is the initial pH (before any NaOH is added)?The Ka for HOCl is 3.0 x 10-8 M. (the answer is 3.96) Please I really need these questions below answered they have to do with the above question. What is the pH after 6.40 mL of NaOH are added? What is the pH at the equivalence point? What is the pH after 11.00 mL of NaOH are added? What is the pH after 14.10 mL of NaOH are added? What is the pH when half the acid has been neutralized?
Indicators can be used to help approximate the pH of a solution based on the indicator colour. Here is an example of how to word the pH approximation for bromothymol blue. Indicator Colour pH approximation Yellow 6.0 and below Green between 6.0 and 7.6 Blue 7.6 and above A Chemistry experiment is done where the pH of various solutions are tested, using indicators. The colours of indicators are recorded as shown below. Indicator Colour pH approximation orange IV orange Indicator Colour pH approximation thymol blue red Indicator Colour pH approximation alizarin yellow R red
01 5 If the dissociation constant of a weak acid is 8.1 x 10-5, at what ratio should you adjust the concentration of the weak acid and its conjugate base in order that has a pH of 4.09? prepare a buffer Oa) 0.100 M veak acid with 0.100 M conjugate base b) 0.100 M weak acid with 0.0100 M conjugate base Oc) 0.100 M weak acid with 0.0500 M conjugate base d) 1.000 M weak acid with 0.0100 M conjugate base e) 0.510 M weak acid with 0.0510 M conjugate base 0 000 О
Question Completion Status: For Solution A, approximately how many mL of HCI were needed to exceed the buffering capacity of this solution? Enter the number only. Don't enter units as part of your answer and don't use commas or scientific notation. Titration curve of Solution A 14 13 12 11- 10 9 8 pH 7 6 5 4 3 2 1 5 4 3 2 1 HCI added (mL) 0 1 2 3 4 5 NaOH added (mL) 14 13 12- 11 10 9 8 pH 7 6.8 2 65 4 3 2 1 Titration curve of Solution B Click Save and Submit to save and submit. Click Save All Answers to save all answers. 54 32 1 HCI added (mL) 0123 NaOH added (mL)
Design a buffer that has a pH of 4.66 using one of the weak acid/conjugate base systems shown below. Weak Acid Conjugate Base Ka pKa HC2O4- C2O42- 6.4 × 10-5 4.19 H2PO4- HPO42- 6.2 × 10-8 7.21 HCO3- CO32- 4.8 × 10-11 10.32 How many grams of the potassium salt of the weak acid must be combined with how many grams of the potassium salt of its conjugate base, to produce 1.00 L of a buffer that is 1.00 M in the weak base?grams potassium salt of weak acid = grams potassium salt of conjugate base =
Explain the difference between an indicator endpoint for a titration analysis and the true equivalence point for the titration. Please simplify the answer so I can understand. Thanks
Pp
determine the volume of 0.2 M sodium acetate required to be added to prepapre 100 mL of 0.2 M acetate buffer at ph 4.2? Use the table as a reference.