A diprotic acid, H,A, has K1 - 1.41 x 10 and K2 - 3.09 x 10%. If 50.00 mL. of 0.113 M H2A is placed in an flask and is titrated with 0.289 M N2OH. (a) What volume of NAOH would be needed to reach the second equivalence point? (b) What is the pH at the second half-equivalence point? (c) what would be the pH when 24.5 mt of base has been added to the flask?

Q: What masses of acetic acid and sodium acetate are needed to prepare 125 mL of pH=5.00 buffer if the…

A: Number of moles of solute to the  volume of solution in liter is known as molarity.

Q: Given aqueous solutions of 0.1 M weak acetic acid (CH3COOH, pKa=4.72) and 0.1 M sodium acetate…

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Q: A volume 100.0 mL of a 0.20 M acetic acid CH,COOH solution is titrated by a 0.10 M lithium hydroxide…

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A:

Q: How many microliters of 1.000 M NaOH solution mustbe added to 25.00 mL of a 0.1000 M solution of…

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Q: 3) i) A 25.0mL sample of a 30.0% HF solution has a density of 1.101g/mL. The sample is diluted to a…

A: (i) Given,     Initial volume of the solution is 25.0 mL.    Final volume of the solution is 500 mL.…

Q: 2.1 The correct indicator was added to 25.00 mL of a 0.1340 M solution of pentanoic acid…

A: Pentanoic acid is a weak organic acid. Its Ka is 1.4 x 10-5.  Its concentration is 0.1340 M and…

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A: Propanoic acid is titrated with sodium hydroxide.

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A: Given: Concentration of HOAc in buffer = 0.1000 M Concentration of NaOAc in buffer = 0.1000 M Volume…

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A: Buffer is the solution of mixture of weak acid/weak base with its salt of strong base/strong acid

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A: TITRATION IS A METHOD USED TO DETERMINE THE CONCENTRATION OF UNKNOWN SOLUTIONS WITH THE HELP OF…

Q: You have75.0 mL of a 0.25M solution of a weak base, ethanol amine, HOC2H4NH2, with a kb= 2.8x10^-5.…

A: Given data:

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A: we need to calculate the pH for the titration of KOH with HF

Q: A solution is prepared by dissolving 1.800 g of sodium acetate (CH3COONa) into 100.00 mL of a 0.180…

A:

Q: Pls help ASAP.

A:

Q: [4} What is the pH of the solution in the flask after 25.00 mL of 0.110 M NAOH has been added to…

A:

Q: A buffer was prepared by adding 220.0 mL of 0.50 M NH3 solution to 280.0 mL of 0.20 M NH4Cl…

A: The pH of the solution (a) is; The concentration of NH3 in 500.0 mL of solution is;NH3=0.50 M×220.0…

Q: The pH value for the titration of 50ml of 0.1N CH3COOH, Ka =10-5 with 25 ml of 0.2N NAOH is: *

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Q: For the titration of sulfuric acid (H2SO4) with sodium hydroxide (N2OH), how many moles of sodium…

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Q: Consider the reaction of 75.0 mL of 0.350 M C₅H₅N (Kb = 1.7 x 10⁻⁹) with 100.0 mL of 0.405 M HCl.…

A:

Q: Calculate the pH of a buffer solution that is 0.5 M CH3COOH and 0.8 M NaCH3COO. (pKa for acetic acid…

A:

Q: If the actual mass of a base used (sodium citrate dihydrate) in a buffer solution is 1.5 g, and the…

A: Given,  Actual mass of base (sodium citrate dihydrate) = 1.5 g  Concentration of the acid (ammonium…

Q: 00 50 10.0 15.0 20.0 25.0 30.0 Volume of NaOH (mL) Data colected during the titration of a 20.0 m…

A: From the graph  Total volume of NaOH used for Titration  =  20 ml    =  0.020 L  Volume of Acid =…

Q: A 25.00 mL solution of 0.0920 M HNO3 was titrated with 0.00, 15.00, 23.00, and 30.00 mL of 0.1000 M…

A: Molarity of HNO3 = 0.0920 M  Volume of HNO3 = 25.00 mL = 25.00 / 1000 L = 0.025 L Molarity of KOH =…

Q: Calculate the pH of a solution containing 18 mL of 0.43 M of a weak weak base B OH, like NH,OH, or…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: solution

A: Diprotic acid have two equivalence point because it's have two acidic Hydrogens but we need to used…

Q: Please complete the calculation of the pH of the equivalence point below. Concentration of NaOH…

A: Aspirin is an organic compound containing carboxylic acid group. The chemical name of aspirin is…

Q: 50 cm3 of 0.05 M weak acid solution is titrated with 0.1 M NaOH solution. The measured pH values are…

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: Calculate the pH at the second stoichiometric point when 425 mL of 0.046 M solution of tartaric acid…

A:

Q: Which of the following will raise the pH of a weak acid HA in aqueous solution? I. addition of HNO3…

A: (I) HNO3 is a strong acid and thus decreases the pH of the solution. Therefore, pH won’t increase on…

Q: bmuodos Cthet Supposc 0.5160g of sample is added to 50.00 mL of 0.1000M HCl. The resulting solution…

A:

Q: 5. In the case titrating 20 ml of 0.1 M of H2SO4 solution by 0.2 M of NaOH solution , calculate…

A: ***As per Bartleby guidelines, I can solve only first question.You can resubmit the other two…

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A:

Q: A buffer solution is made that is 0.415 M in CH3COOH and 0.415 M in CH3COO- . (1) If Ka for CH3COOH…

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A: Answer: When a weak acid will be added in water, its partial ionization will take place, due to that…

Q: precipitation

A: There are various type of water softening operations but in them the Lime softening method is used

Q: 2.1 The correct indicator was added to 25.00 mL of a 0.1340 M solution of pentanoic acid…

A: 2.1.1. ) First we would write complete chemical equation , then we would write complete ionic…

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.