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3. Pyruvic acid, C- , is a monoprotic acid with K. = 3.3 x 10-3 and...
O С-с 3. Pyruvic acid, is a monoprotic acid with K, =3.3 x 10-3 and pKa...
O С-с 3. Pyruvic acid, is a monoprotic acid with K, =3.3 x 10-3 and pKa 2.48. In НаС Он a titration experiment, pyruvic acid (0.090 M, 50.00 mL) was titrated, with NaOH (0.108 M). Find the pH (a) Before any NaOH is added. (b) After 5, 10, 20, 30 and 40 mL of NaOH are added. (c) At the equivalence point. (d) And after 10mL excess NaOH is added.
3) A weak monoprotic acid has a pKa 6.15. 50.00 mL of an 0.1250M aqueous solution...
3) A weak monoprotic acid has a pKa 6.15. 50.00 mL of an 0.1250M aqueous solution of this weak acid is titrated with 0.1000M NaOH. a) What is the equivalence point volume and 2 equivalence point volume for this titration? Find the pH b) before the titration begins; c) after 20.00 mL of the NAOH has been added, d) after 62.50 mL of the NaOH has been added; and e) after 85.00 mL of the NAOH has been added. 4)...
1) Chloropropionic acid, ClCH2CH2COOH is a weak monoprotic acid with Ka = 7.94 x 10-5 M....
1) Chloropropionic acid, ClCH2CH2COOH is a weak monoprotic acid with Ka = 7.94 x 10-5 M. Calculate the pH at the equivalence point in a titration 40.4 mL of 0.49 M chloropropionic acid with 0.9 M KOH. 2) What is the pH after 22.90 mL of NaOH are added?
50.0 mL of 0.090 M nitrous acid (HNO2, Ka = 7.1 x 10-4), is titrated with...
50.0 mL of 0.090 M nitrous acid (HNO2, Ka = 7.1 x 10-4), is titrated with 0.100 M NaOH, requiring 45.0 mL of strong base to reach the equivalence point. (a) What will be the pH after 35.0 mL of NaOH have been added? (b) What will be the pH at the equivalence point? (c) What will be the pH after 60.0 mL of NaOH have been added?
1) A solution of a weak monoprotic acid of unknown concentration was titrated with 0.23 M...
1) A solution of a weak monoprotic acid of unknown concentration was titrated with 0.23 M NaOH. If a 100.-mL sample of the acid solution required exactly 10. mL of the NaOH solution to reach the equivalence point, what was the original concentration of the weak acid? 2) During the titration on problem (2B), after 5.0 mL of NaOH addition, the pH = 3.68. What is the Ka of the weak acid? please show steps i have an exam tomorrow
15. A 66 mL sample of a solution of sulfuric acid, H,SO, is neutralized by 34...
15. A 66 mL sample of a solution of sulfuric acid, H,SO, is neutralized by 34 mL of a 0.13 M sodium hydroxide solution. Calculate the molarity of the sulfuric acid solution 16. If 300 mL of 3.9 M HCl is added to 400 mL of 2.9 M NaOH, what is the pH? 17. If 287 mL of 4.7 M HCl solution is added to 284 mL of 3.2 M Ba(OH), solution, what will the pH be? 18. What is...
The K, of a weak monoprotic acid is 1.59 x 10-, What is the pH of...
The K, of a weak monoprotic acid is 1.59 x 10-, What is the pH of a 0.0913 M solution of this acid? pH What is the concentration of a 55.00 mL solution of HBr that is completely titrated by 27.50 mL of a 0.200 M NaOH solution? [HBrl М TOOLS x10
A student peforms a titration, titrating 25.00 mL of a weak monoprotic acid, HA, with a...
A student peforms a titration, titrating 25.00 mL of a weak monoprotic acid, HA, with a 1.24 M solution of NaOH. They collect data, plot a titration curve and determine the values given in the below table. ml NaOH added pH Half-way Point 18.73 3.60 Equivalence point 37.45 8.59 How many moles of NaOH have been added at the equivalence point? mol What is the total volume of the solution at the equivalence point? mL During the titration the following...
A student peforms a titration, titrating 25.00 mL of a weak monoprotic acid, HA, with a...
A student peforms a titration, titrating 25.00 mL of a weak monoprotic acid, HA, with a 1.18 M solution of NaOH. They collect data, plot a titration curve and determine the values given in the below table. ml NaOH added pH Half-way Point 18.77 3.83 Equivalence point 37.54 8.73 How many moles of NaOH have been added at the equivalence point? mol What is the total volume of the solution at the equivalence point? mL During the titration the following...
If the pH at the equivalence point for titration of a monoprotic weak acid with NaOH...
If the pH at the equivalence point for titration of a monoprotic weak acid with NaOH is 9.00, and 10 mL of base is required to reach the equivalence point, how would you determine the pKa of the acid? the pKa is 9.00 determine the pH after 5 mL of base is added; this is the pKa determine the pH when 20 mL of base is added; this is the pKa the pKa is -log(9)
O С-с 3. Pyruvic acid, is a monoprotic acid with K, =3.3 x 10-3 and pKa 2.48. In НаС Он a titration experiment, pyruvic acid (0.090 M, 50.00 mL) was titrated, with NaOH (0.108 M). Find the pH (a) Before any NaOH is added. (b) After 5, 10, 20, 30 and 40 mL of NaOH are added. (c) At the equivalence point. (d) And after 10mL excess NaOH is added.
3) A weak monoprotic acid has a pKa 6.15. 50.00 mL of an 0.1250M aqueous solution of this weak acid is titrated with 0.1000M NaOH. a) What is the equivalence point volume and 2 equivalence point volume for this titration? Find the pH b) before the titration begins; c) after 20.00 mL of the NAOH has been added, d) after 62.50 mL of the NaOH has been added; and e) after 85.00 mL of the NAOH has been added. 4)...
15. A 66 mL sample of a solution of sulfuric acid, H,SO, is neutralized by 34 mL of a 0.13 M sodium hydroxide solution. Calculate the molarity of the sulfuric acid solution 16. If 300 mL of 3.9 M HCl is added to 400 mL of 2.9 M NaOH, what is the pH? 17. If 287 mL of 4.7 M HCl solution is added to 284 mL of 3.2 M Ba(OH), solution, what will the pH be? 18. What is...
The K, of a weak monoprotic acid is 1.59 x 10-, What is the pH of a 0.0913 M solution of this acid? pH What is the concentration of a 55.00 mL solution of HBr that is completely titrated by 27.50 mL of a 0.200 M NaOH solution? [HBrl М TOOLS x10
A student peforms a titration, titrating 25.00 mL of a weak monoprotic acid, HA, with a 1.24 M solution of NaOH. They collect data, plot a titration curve and determine the values given in the below table. ml NaOH added pH Half-way Point 18.73 3.60 Equivalence point 37.45 8.59 How many moles of NaOH have been added at the equivalence point? mol What is the total volume of the solution at the equivalence point? mL During the titration the following...
A student peforms a titration, titrating 25.00 mL of a weak monoprotic acid, HA, with a 1.18 M solution of NaOH. They collect data, plot a titration curve and determine the values given in the below table. ml NaOH added pH Half-way Point 18.77 3.83 Equivalence point 37.54 8.73 How many moles of NaOH have been added at the equivalence point? mol What is the total volume of the solution at the equivalence point? mL During the titration the following...
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