Explain which of the following indicators would be appropriate for a weak acid-strong base titration?

1) A pH meter is standardized at what three pHs?

2) The initial pH of the acetic acid-NaOH titration curve was _________.

3) Explain which of the following indicators would be appropriate for a weak acid-strong base titration?

Indicator	pH of color change
Bromcresol green	3.8 - 5.4
Bromothymol blue	6.0 - 7.6
Phenolphthalein	8.0 - 9.6

Solutions

Expert Solution

pH meter callibration:

Phenolphthalein can be used for this titration.

queen_honey_blossom answered 1 year ago

Next > < Previous

Related Solutions

Weak base/ Strong acid titration curve question. 1) In the titration of .0400 M weak base...

Weak base/ Strong acid titration curve question. 1) In the titration of .0400 M weak base B of 50 ml with .100 M HCl. What is the solution pH before any HCl is added? 2) In the titration of .0400 M weak base B of 50 ml with .100 M HCl. What is the solution pH after 10 ml HCl is added? 3) In the titration of .0400 M weak base B of 50 ml with .100 M HCl. What...

Briefly explain how the graphs for two titration curves for a weak acid-strong base and strong...

Briefly explain how the graphs for two titration curves for a weak acid-strong base and strong acid-strong base are similar before and at the equivalence point.

What is the pH of a weak acid strong base titration after each of the following...

What is the pH of a weak acid strong base titration after each of the following additions? Ka for HF is 3.5 x 10-4. a. 10.0 mL of 0.250 M NaOH added to 15.0 mL of 0.400 M HF b. 25.0 mL of 0.250 M NaOH added to 35.0 mL of 0.1785 M HF c. 20.0 mL of 0.250 M NaOH added to 20.0 mL of 0.350 M HF Please show your work so I can better understand this. thanks!...

Consider a weak acid-strong base titration in which 25 mL of 0.120 M of acetic acid...

Consider a weak acid-strong base titration in which 25 mL of 0.120 M of acetic acid is titrated with 0.120 M of NaOH. a) Calculate the pH of the acetic acid solution BEFORE addition of NaOH (pKa of acetic acid = 4.75). b) Calculate the pH after the addition of 3.00 mL of NaOH. c) Calculate the pH after the additon of 12.5 mL of NaOH. Notice that this is the half neutralizatiom point: some of the acetic acid molecules...

classify each substance as a strong acid , weak acid , strong base or weak base...

classify each substance as a strong acid , weak acid , strong base or weak base KOH, Ca(OH)2, H 2SO4, HI, HCOOH, NaOH, HCN, C5H5N

Classify each substance as a strong acid , weak acid strong base or weak base for...

Classify each substance as a strong acid , weak acid strong base or weak base for the following compounds HI C5H5N NaOO HCOOH KOH Ca(OH)2 H2SO4 HCN

Ten Titration of Weak Acid with Strong Base A titration involves adding a reactant of known...

Ten Titration of Weak Acid with Strong Base A titration involves adding a reactant of known quantity to a solution of another reactant while monitoring the equilibrium concentrations. This allows one to determine the concentration of the second reactant. The equation for the reaction of a generic weak acid HA with a strong base is HA9(aq)+OH-(aq) -----> A-(aq)+H2O(l) A certain weak acid, HA, with a Ka value of 5.61x10-6, is titrated with NaOH Part A A solution is made by...

On the polyprotic weak acid/strong base titration curve below, label the following points.

On the polyprotic weak acid/strong base titration curve below, label the following points.The point where the pH corresponds to a solution of H2A in water.The point where the pH corresponds to a solution of HA- in water.The point where the pH corresponds to a solution of A2- in water.The point where pH = pKa1.The point where pH = pKa2.

Weak Acid - Strong Base Titration Calculate the pH at the given amounts below in the...

Weak Acid - Strong Base Titration Calculate the pH at the given amounts below in the titration. You are titrating 35.0 mL of .15 M HNO2 with .1 M NaOH until you reach 100 mL of NaOH added. For this problem the Ka value is 4.6 x 10-4 a) 0.00 mL NaOH added b) 30.0 mL NaOH added c) 60.0 mL NaOH added d) 100.0 mL NaOH added

Consider a titration curve for a weak base and a strong acid. Suppose both phenolphthalein and...

Consider a titration curve for a weak base and a strong acid. Suppose both phenolphthalein and bromocresol green are present in the solution. What color changes would occur at pH 10, pH 7, and pH 3?

Subjects