An indicator (ka 1.7X10-6) is red but changes to blue when ionized. The indicator was used in the titration of 10 mL of 0.2 M HCI with 15 mL of 0.2 M of NaOH. At what pH you would expect the indicator to change color?   9.11-11.11   6.85-8.85   5.32-7.32   3.98-5.98   4.77-6.77

Q: Consider the titration of 50.00 mL of 0.100 M hypochlorus acid (HClO) with 0.200 M KOH, calculate…

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Q: A solution containing 50.0 mL of 0.180 M NH3 (Kb = 1.77 x 10¯5) is being titrated with 0.360 M HCl.…

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Q: The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid…

A: In case of strong acid and strong base titration, the equivalence point pH is exactly at 7 (Neutral…

Q: Consider the following:  HF + NaOH =>  H2O + NaF      50.00 mL of 0.200 M hydrofluoric acid…

A: As HF is weak acid . Thus weak acid HF and its salt NaF will form buffer solution.  PH at this point…

Q: A diprotic acid (H2X) titrated with a solution of NaOH for 25 ml of the acid 87.42 ml of a 1.95 M…

A: A question about acid-base titration that is to be accomplished.

Q: Choose the suitable indicator based on the table given. Indicator pH Range Methyl orange 3.2 - 4.4…

A: a) In this case both HCl and NaOH are strong electrolytes because these are broken completely in…

Q: Calculate the pH at the equivalence point in titrating 0.028 M solutions of each of the following…

A: a)

Q: If 25.00 mL of a 0.09864 M CH3COOH (Ka = 1.8 x 10-5) solution is titrated with a 0.1027 M NaOH…

A: The solution is given below -

Q: The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid…

A: Since seeing titration curve -  Initially pH was much less than 7 , hence strong acid was present…

Q: 100 ml of a 0.2 M weak acid solution (Ka=1.0x10-5) is titrated to the equivalence point with 50.0 ml…

A: Given: Concentration of weak acid (Assuming HA) = 0.2 M Volume of HA solution = 100 mL = 0.100 L…

Q: In an acid-base titration, how much volume (in mL) of 0.105 M NaOH solution is needed to neutralize…

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Q: The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid…

A: An acid is a substance that can increase the concentration of hydrogen ions (H+) in the aqueous…

Q: Determine the pH at the point in the titration of 40.0 mL of 0.200 M HC₄H₇O₂ with 0.100 M Sr(OH)₂…

A: The reaction taking place here is described as,

Q: Which indicator whose names and pH ranges are given would be suitable when 20 mL of 0.150 M HF is…

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Q: Consider the titration of 50.00 mL of 0.100 M hypochlorus acid (HClO) with 0.200 M LiOH, calculate…

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Q: An indicator (Ka = 1.7X10-6) is red but changes to blue when ionized. The indicator was used in the…

A: The pH range of the indicator is 4.77 - 6.77. So the correct option is option E.

Q: Equal volumes of two different weak acids are titrated with 14 0.25 M NaOH, resulting in the…

A: Answer: This question is based on titration of weak acid and strong base where weak acid is the…

Q: Calculate the pH during the titration of 20 mL of 0.1000 M dimethylamine, (CH3)2NH(aq), with 0.2000…

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Q: 2. [A] = day of birth [B] = month of birth I was born December 8th, so for me [A] = 8 [B] = 12 Use…

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Q: 25.00 mL of a solution of a weak monoprotic acid, HX, was titrated with a 0.0640 M solution of NaOH,…

A: When we titrate a weak monoprotic acid with sodium hydroxide then at equivalence point of titration…

Q: alculate the pH for the complete titration of 100.0 mL of 0.122 M hydrazine, H2NNH2, with 0.200 M…

A: The chemical reaction can be given as follows: NH2NH2(aq)+HNO3(aq)→NH2NH3+(aq)+NO3-(aq) Molarity of…

Q: KOH is used to titrate an acid to the equivalence point. The indicator thymolphthalein was chosen as…

A: The chemical indicator is any substance which gives visible sign, usually by colour change, of the…

Q: You titrated phosphoric acid H3PO4 (Ka1 = 7.5×10-3, Ka2 = 6.2×10-8, Ka3 = 4.2×10-13) with a strong…

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Q: A 10.0 mL sample of 0.15 M HClO is titrated with 0.15 M KOH. What is the pH at the equivalence…

A: Given : Concentration of HClO = 0.15 M Concentration of KOH = 0.15 M And volume of HClO solution =…

Q: The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid…

A: The explanation is given below-

Q: An indicator (Ka = 1.7X106) is red but changes to blue when ionized. The indicator %3D was used in…

A: option (c) is correct. 5.32-7.32.

Q: Using the pKa values and molecular weights from the OneNote Class notebook, show you work to prepare…

A: We need to prepare a phosphate buffer with pH 7.3.

Q: For the titration of 45 mL of 0.111M NH3 (Kb=1.8x10-5) with 0.21M HCl calculate the following: The…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Calculate the pH at equivalence.

A: In this titration weak acid (Propanoic acid) is titrated with strong base NaOH, so salt of a weak…

Q: Thymol blue is a unique indicator that has two set of color change, red to yellow near pH = 1.5 and…

A: Given: Thymol blue is a unique indicator that has two set of color change, red to yellow near pH =…

Q: For the titration of 50.00 mL of 0.106 M NH3 with 0.225 M HCl, calculate the pH when neutralization…

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Q: A 200mL solution of 0.3 M weak acid is titrated with 40 mL of 1.5 M NaOH. If the Ka of the acid is…

A: Number of mmoles of HA = Molarity x volume (mL) = 0.3 x 200 = 60 mmoles Number of moles of NaOH =…

Q: Let HA represent a weak acid. A 27.5 mL sample of 0.20 M HA was titrated with 0.25 M NaOH. The…

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Q: The following question(s) refer to the same titration: a 50.00 mL sample of 0.0950 M acetic acid (Ka…

A: Answer: This is the question based on acid-base titration in which acid is being titrated against…

Q: Which of the given statements are CORRECT for an indicator that ionizes as shown below (Ka=1.0 x…

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Q: In the titration of a weak acid HA with 0.100 M NaOH, the stoichiometric point is known to occur at…

A: Given that:         Molarity of NaOH (strong base) = 0.100 M                      pH of titration…

Q: The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid…

A: Given: Titration curve of monoprotic acid and monoprotic base.

Q: A diprotic acid has Ka1= 4.3×10^-5 and Ka2= 4.5×10^-7. What will be the pH at the first equivalence…

A: pKa1 = - log Ka1 = - log (4.3 x 10-5) = 4.37 pKa2 = -logKa2 = - log (4.5 x 10-7) = 6.35

Q: The following plot shows two titration curves, each representing the titration of 50.00 mL of 0.100…

A: Strong acid has the initial pH in the range of 1~3 and weak acid have initial pH ~3-9. So, below…

Q: An indicator (Ka = 1.7X10-6) is red but changes to blue when ionized. The indicator was used in the…

A: when indicator changes its colour, the concentration of both the species of indicator will exist in…

Q: The titration of CH3COOH (Ka = 1.76x10-4; pKa = 3.754; Kb = 5.68x10-11) with NaOH is an example of a…

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Q: A student is preparing to titrate 25.00  mL of 0.2 M  NaOH.   He has options to use among 3 weak…

A: NaOH is titrated with three monoprotic weak acids To determine which is the best titrant :

Q: Calculate the pH at the equivalence point in titrating 0.025 M solutions of each of the following…

A: (a) Reaction between perchloric acid and NaOH is: HClO4+NaOH→NaClO4+H2O

Q: A 300. ml sample of 0.10 M C2H5NH2 was titrated with 0.20 M HNO3. For each of the following volumes…

A: The species that would determine the position pH depend on the amount ( moles or concentration ) .…

Q: Calculate the pH for the complete titration of 100.0 mL of 0.122 M hydrazine, H2NNH2, with 0.200 M…

A: The Bronsted-Lowry acid-base theory was purposed by Bronsted and Lowery is called Bronsted-Lowry…

Q: culate the pH during the titration of 50.00 mL of 0.100 M gent. The Ka of acetic acid is 1.75x10 5…

A: Given that :  [CH3COOH] = 0.100M Volume of acetic acid = 50.00ml Molarity = Moles/volume Moles of…

Q: Calculate the pH at the equivalence point in titrating 0.039 M solutions of each of the following…

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Q: A solution containing 25mL of 0.0750M Maleic acid (diprotic acid) is titrated with 0.05M NaOH.…

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Q: The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid…

A: Please find your solution below : Titration curve is a graphical representation of pH of a solution…

Q: A certain weak acid, HA, with a Ka value of 5.61 x 10-6 is titrated with NaOH (a) A solution is…

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.