A chemist titrates 90.0mL of a 0.7014M ammonia NH3 solution with 0.8617M HBr solution at 25°C. Calculate the pH at equivalence. The pKb of ammonia is 4.75. Round your answer to 2 decimal places. Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of HBr solution added.

Q: pH calculation when the first equivalence is reached: Calculate the pH of 50.0 mL of 0.250 M oxalic…

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Q: A chemist titrates 50.0 mL of a 0.5648M potassium hydroxide (KOH) solution with 0.2574M HCl solution…

A: we have to calculate pH at equivalence point foe the titration

Q: When answering this problem, report the answer with the appropriate number of significant figures.…

A: To calculate the pH of the solution , we would first calculate the final concentration of acetic…

Q: A chemist titrates 80.0mL of a 0.7332M hypochlorous acid HClO solution with 0.0931M NaOH solution at…

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Q: An analytical chemist is titrating 189.5 mL of a 0.6500M solution of ammonia (NH,) with a 0.8000M…

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Q: A chemist titrates 230.0 mL of a 0.8865 M sodium hydroxide (NaOH) solution with 0.6960 M HBr…

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Q: A solution is made by mixing 205 mL of 0.100 M formic acid (Ka = 1.7 x 10-4) and 230. mL of 0.100 M…

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Q: An analytical chemist is titrating 83.1 mL of a 0.2800M solution of piperidine (C5H10NH) with a…

A: According to the question we have the reaction for the piperidine (C5H10NH ) and iodic acid (HIO3):-…

Q: A chemist titrates 140.0 ml of a 0.6722 M nitric acid (HNO,) solution with 0.1900 M NaOH solution at…

A: Molarity of NaOH = 0.1900 M Volume = V mL Moles of NaOH=Molarity × Volume Moles of NaOH=0.1900V mmol…

Q: A buffered solution is prepared containing acetic acid, HC2H3O2, and sodium acetate, NaC2H3O2, both…

A: Buffer is a solution that resists the change in pH when small amount of acid or base is added to it.

Q: Calculate the pH of 50.0 ml of 0.250 M oxalic acid (HOOCCOOH) upon addition of 15 mL of 0.500 M…

A: Oxalic acid is a diprotic weak acid, whereas monoacidic NaOH is a strong base. Given the volume of…

Q: A chemist titrates 180.0 mL of a 0.4899M potassium hydroxide (KOH) solution with 0.5114M HCl…

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Q: A chemist titrates 250.0 mL of a 0.6025 M nitric acid (HNO3) solution with 0.4732 M NaOH solution at…

A: for the given titration, we have to calculate pH at equivalence point

Q: A chemist titrates 210.0 mL of a 0.4725 M hydrobromic acid (HBr) solution with 0.5894 M KOH solution…

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Q: A solution contains 0.300 g HC2H3O2 in 50.0 mL of water. (Ka = 1.80*10-5)  -What is the pH of the…

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Q: A chemist titrates 220.0 mL of a 0.3186M sodium hydroxide (NaOH) solution with 0.4543 M HNO,…

A: In this acid base titration , acid used is HNO3 , which is a strong acid. And base used is NaOH,…

Q: A chemist titrates 60.0 mL of a 0.8409M sodium hydroxide (NaOH) solution with 0.1926M HCl solution…

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Q: A chemist titrates 130.0 mL of a 0.8034M pyridine (C,HşN) solution with 0.2958M HCl solution at 25…

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Q: What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M methylamine. CH3NH2. with 25.00…

A: Given : Concentration of methamine i.e CH3NH2 = 0.10 M Volume of CH3NH2 solution = 25.00 mL = 0.025…

Q: An analytical chemist is titrating 169.0 mL of a 0.8600M solution of methylamine (CH3NH₂) with a…

A: The buffer is defined as the solution containing equal amount of a weak acid and its conjugate base…

Q: An analytical chemist is titrating 177.8 mL of a 0.8600 M solution of ethylamine (C,H,NH,) with a…

A: We have,   Let's calculate the number of moles of both, the acid and the base:

Q: aNH2

A: Generally, sodium amide (NaNH2) is a very good nucleophilic reagent as well as it is used as a base.…

Q: An aspirin tablet contains 250 mg of acetylsalicylic acid, C9H8O3 (Ka = 6.4x10-4).  If you take the…

A: Answer :- pH = 2.30  pH of mixture of 250 mg acetylsalicylic acid, C9H8O4 in 35.0 mL water is 2.30…

Q: A chemist titrates 160.0 mL of a 0.2421 M sodium hydroxide (NaOH) solution with 0.6419M HBr solution…

A: Given -> Volume of NaOH(V1) = 160.0 ml Molarity of NaOH(M1) = 0.2421 M Molarity of HBr(M2) =…

Q: 1) Calculate percent concentration of a 150-gram solution containing 30 g Salt. 2) Calculate…

A: Formula used:  1) Percent concentration of a solution=( mass of solute/mass of solution) × 100 2)…

Q: An analytical chemist is titrating 160.3mL of a 0.8600M solution of benzoic acid HC6H5CO2 with a…

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Q: Calculate the pH you would expect for a 0.15 M aqueous solution of each substance. - nitric acid -…

A: To calculate pH , we first check nature of substance as strong acid , weak acid , strong base or…

Q: used as preservatives in vinegar, soy sauce, etc. The pH of a 0.10 M aqueous solution of sodium…

A: Sodium benzoate is salt of weak acid-strong base type salt pH = 1/2(14 + pKa + log([C]) 8.60 =…

Q: hydrofluoric acid is 6.6*

A: Molarity of KOH = 0.13 M Volume of KOH = 250 mL  mmol of KOH = M × V     = 0.13 × 250 = 32.5 mmol…

Q: A 46.2 cm3 volume of 0.00020 mol / dm3 barium hydroxide solution and a 27.0 cm3 volume of 0.100 mol…

A: Given: The volume of 0.00020 mol/dm3 barium hydroxide (Ba(OH)2) used is 46.2 cm3. The volume of…

Q: An analytical chemist is titrating 77.9 mL of a 1.000M solution of hydrazoic acid (HN3) with a…

A: Given-> Volume of HN3 = 77.9 ml Molarity of HN3 = 1.000 M Volume of NaOH = 34.3 ml Molarity of…

Q: 1. Calculate the theoretical pH of the solution at the following instances when 0.00, 5.00, 9.00,…

A: To find : the pH of the given solution.

Q: A chemist titrates 230.0 mL of a 0.8865 M sodium hydroxide (NaOH) solution with 0.6960 MHBr solution…

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Q: A chemist titrates 210.0 mL of a 0.7303M potassium hydroxide (KOH) solution with 0.0877M HNO3…

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Q: You wish to titrate 38.00 mL of a 0.1680 M KOH solution with 0.1120 M HNO3. Calculate the pH after…

A: The question is based on the concept of titrations.   we are titrating  a strong acid with a strong…

Q: An analytical chemist is titrating 147.3 mL of a 0.3200M solution of ammonia (NH,) with a 0.8200M…

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Q: An analytical chemist is titrating 208.8mL of a 0.7500M solution of methylamine CH3NH2 with a…

A: In this question, we want to determine the pH of the Solution after titration of weak base with…

Q: An analytical chemist is titrating 220.1 mL of a 0.6700 M solution of benzoic acid (HC H₂CO₂) with a…

A: pH of the resulting solution can be calculated by considering the total moles of remaining benzoic…

Q: Are solutions of the following salts acidic, basic, or neutral? For those that are not neutral,…

A: Since you have posted questions with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: An analytical chemist is titrating 168.4 mL of a 0.2500 M solution of ammonia (NH,) with a 0.7000 M…

A: Ammonia is a weak base and HNO3 is a strong acid. pH of the resulting solution at the equivalence…

Q: A solution is formed by adding 3.60 grams of solid barium cyanide, Ba(CN)₂, to 250.0 ml of 0.170M…

A: Given : Volume of solution = 250.0 mL = 0.250 L                                             (since 1…

Q: An analytical chemist is titrating 157.6 mL of a 1.000 M solution of cyanic acid (HCNO) with a 1.100…

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Q: A chemist titrates 250.0 mL of a 0.6994 M hydrobromic acid (HBr) solution with 0.8110 M NaOH…

A: HBr is a strong monoprotic acid. NaOH is also a strong monoacidic base.

Q: An analytical chemist is titrating 119.2 mL of a 0.1800M solution of ammonia (NH,) with a 0.4500M…

A: NH3 reacts with HNO3 follows the given equation : HNO3 + NH3 ---> H2O + NH4NO3  Molarity =…

Q: A chemist titrates 130.0 mL of a 0.2397 M hydrochloric acid (HCl) solution with 0.8741 M NaOH…

A: In Question  Given: 130 ml of a 0.2131 M hydrochloric acid is titrated with 0.1618 M NaOH solution.…

Q: A chemist titrates 150.0 mL of a 0.8461M hydrobromic acid (HBr) solution with 0.2857M NaOH solution…

A: Given that : The reaction for the process is : HBr(aq)  +  NaOH(aq)  →  NaBr(aq)  +  H2O(l)

Q: A chemist titrates 170.0 mL of a 0.3333 M nitric acid (HNO,) solution with 0.1703M NAOH solution at…

A: Given :  Concentration of HNO3 = 0.3333 M  Volume of HNO3 = 170.0 ml  Concentration of NaOH solution…

Q: A chemist titrates 150.0 mL of a 0.6575M hydrobromic acid (HBr) solution with 0.4987M KOH Solution…

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Q: A group of students perform a titration experiment. The buret tube is filled to the 0.00ml line with…

A: To solve this question, first find equivalence point volume using dilution law. Then calculate moles…

Q: Consider a solution formed by mixing 50.0 mL of 0.100 M H2SO4, 30.0 mL of 0.100 M HOCl, 25.0 mL of…

A: The pH of solution is a measure of hydrogen ion concentration, which in turn is a measure of its…

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.