When a 21.5 mL sample of a 0.418 M aqueous hydrocyanic acid solution is titrated with a 0.306 M aqueous sodium hydroxide solution, what is the pH after 44.1 mL of sodium hydroxide have been added? pH =

Q: When a 20.3 mL sample of a 0.386 M aqueous acetic acid solution is titrated with a 0.472 M aqueous…

A: pH of the solution :-      pH is the quantitative measure of the acidity or basicity of aqueous or…

Q: A 20.6 mL sample of 0.377 M methylamine, CH3NH2, is titrated with 0.364 M perchloric acid. After…

A: Number of moles of   CH3NH2= M*V = 0.377 M* 20.6 mL = 7.7662 mmol Number of moles of HClO4 = M*V =…

Q: A 41.1 mL sample of a 0.486 M aqueous hydrocyanic acid solution is titrated with a 0.404 M aqueous…

A: The neutralization reaction, 2HCN + Ba(OH)2 ------> Ba(CN)2 + 2H2O  The initial moles of HCN =…

Q: A 42.9 ml sample of a 0.373 M aqueous hydrofluoric acid solution is titrated with a 0.404 M aqueous…

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Q: When a 20.6 mL sample of a 0.423 M aqueous acetic acid solution is titrated with a 0.436 M aqueous…

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Q: A 44.8 mL sample of a 0.543 M aqueous acetic acid solution is titrated with a 0.436 M aqueous barium…

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Q: What is the purpose of an acid-base buffer?

A: A solution of weak base or its conjugate acid or weak acid and its conjugate base which can used to…

Q: Determine the pH when 0.05mole of CO2 is dissolved into 1L of water. When 0.03 mole of sodium…

A: The carbon dioxide is a gas that dissolves n water upto a certain extent. There exists an…

Q: A buffer solution contains 0.447 M hypochlorous acid and 0.236 M potassium hypochlorite. If 0.0335…

A: Given the molarity of hypochlorous acid, HClO = 0.447 M Molarity of sodium hypochlorite, NaClO =…

Q: When a 15.7 mL sample of a 0.362 M aqueous hypochlorous acid solution is titrated with a 0.307 M…

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Q: A 1.5 L sample of a 0.44 M HBr solution is mixed with 2.2 L of a 0.080 M HClO4 solution. What is the…

A: HBr and HClO4 are strong acids. They dissociate fully into their ions when put in water. The reasons…

Q: When a 27.3 mL sample of a 0.322 M aqueous hypochlorous acid solution is titrated with a 0.469 M…

A: 1.) Hypochlorous acid ia a weak acid and potassium hydroxide is a strong base , so they will react…

Q: When a 19.4 mL sample of a 0.395 M aqueous acetic acid solution is titrated with a 0.345 M aqueous…

A: Given, Volume of acetic acid = 19.4 mL Concentration of acetic acid = 0.395 M Volume of KOH = 33.3…

Q: A 46.9 mL sample of a 0.500 M aqueous hypochlorous acid solution is titrated with a 0.465 M aqueous…

A: The chemical formula for hypochlorous acid is HClO. The chemical formula for barium hydroxide is…

Q: A 32.4 mL sample of a 0.432 M aqueous hydrofluoric acid solution is titrated with a 0.399 M aqueous…

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Q: A 30.1 mL sample of a 0.322 M aqueous hypochlorous acid solution is titrated with a 0.472 M aqueous…

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Q: 17.7 mL sample of a 0.425 M aqueous acetic acid solution is titrated with a 0.421 M aqueous barium…

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

Q: When a 27.4 mL sample of a 0.492 M aqueous hydrofluoric acid solution is titrated with a 0.412 M…

A: When we add NaOH solution to HF solution first base will neutralize acid present in solution, excess…

Q: When a 20.6 mL sample of a 0.394 M aqueous hypochlorous acid solution is titrated with a 0.328 M…

A: volume of HClO = 20.6 mL = 0.0206 L  Molarity of HClO = 0.394 M Molarity of  NaOH = 0.328 M For…

Q: A solution is created by adding 0.144 grams of sodium hydroxide and 0.0217 grams of hydrochloric…

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Q: A 48.9 mL sample of a 0.557 M aqueous hydrocyanic acid solution is titrated with a 0.423 M aqueous…

A: pH can be calculated as follows

Q: When a 19.3 mL sample of a 0.316 M aqueous acetic acid solution is titrated with a 0.448 M aqueous…

A:

Q: A buffer solution contains 0.451 M hypochlorous acid and 0.263 M sodium hypochlorite. If 0.0210…

A: Given, strength of hypochlorous acid - 0.451 Mstrength of sodium hypochlorite - 0.263 Mstrength of…

Q: In a titration of KOH, 0.0725 g of KHP is weighed into a flask and dissolved in deionized water. The…

A: Here, given that mass of potassium hydrogen phthalate (KHP) is  0.0725 g, molecular mass is 204.224…

Q: When a 28.6 mL sample of a 0.394 M aqueous hypochlorous acid solution is titrated with a 0.481 M…

A: The solution is given below -

Q: A 21.6 mL sample of 0.350 M dimethylamine, (CH3),NH, is titrated with 0.235 M hydrochloric acid.…

A: Given, the strength of (CH3)2NH - 0.350 Mthe volume of (CH3)2NH - 21.6 mLthe strength of HCl - 0.235…

Q: When a 21.3 mL sample of a 0.473 M aqueous hydrofluoric acid solution is titrated with a 0.339 M…

A: Balanced chemical equation: HF  +   NaOH  ------>  NaF  +   H2O pH of an aq. solution of a salt…

Q: When a 17.2 mL sample of a 0.311 M aqueous acetic acid solution is titrated with a 0.327 M aqueous…

A: Here CH3COOH reacts with Ba(OH)2. Reaction is - 2 CH3COOH + Ba(OH)2 = (CH3COO)2Ba + 2 H2O Using…

Q: A 0.139-M aqueous solution of NH3 (ammonia) has a pH of 11.2. Calculate the pH of a buffer solution…

A: The mixture of NH3 and NH4+ act as a basic buffer.The Henderson Hasselbalch equation for base is…

Q: When a 29.0 mL sample of a 0.337 M aqueous hypochlorous acid solution is titrated with a 0.312 M…

A: According to Henderson equation: pH = pKa + log[Salt]/[Acid] Given titration: HClO  +  KOH…

Q: When a 21.2 mL sample of a 0.413 M aqueous acetic acid solution is titrated with a 0.496 M aqueous…

A: 1.) To calculate pH , first we would Calculate moles of both acetic acid and potassium hydroxide.…

Q: When a 22.2 mL sample of a 0.429 M aqueous nitrous acid solution is titrated with a 0.334 M aqueous…

A: Nitrous acid (HNO2) is a weak acid while barium hydroxide, Ba(OH)2 is a strong base. The titration…

Q: When a 18.1 mL sample of a 0.313 M aqueous hydrofluoric acid solution is titrated with a 0.315 M…

A: Hydrofluoric acid, HF(aq) is a weak monoprotic acid with Ka = 6.6*10-4  Potassium hydroxide, KOH is…

Q: A 19.2 mL sample of a 0.466 M aqueous hypochlorous acid solution is titrated with a 0.413 M aqueous…

A:

Q: A 39.0 mL sample of a 0.540 M aqueous hypochlorous acid solution is titrated with a 0.390 M aqueous…

A: Given that : The volume of hypochlorous acid = 39.0 mL The molarity of hypochlorous acid = 0.540 M…

Q: A 26.9 mL sample of a 0.488 M aqueous nitrous acid solution is titrated with a 0.309 M aqueous…

A:

Q: A 21.6 mL sample of a 0.329 M aqueous acetic acid solution is titrated with a 0.379 M aqueous sodium…

A: In this question, we want to determine the pH of the Acetic acid solution ( NaOH not be added on…

Q: A 49.1 mL sample of a 0.317 M aqueous nitrous acid solution is titrated with a 0.489 M aqueous…

A:

Q: You are given a 125 mL aqueous solution containing an unknown amount of NH4Cl salt. The solution has…

A: Given that, pH of solution =4.82  volume =125 ml =0.125 L  mass of NH4Cl =?

Q: When a 15.2 mL sample of a 0.316 M aqueous nitrous acid solution is titrated with a 0.337 M aqueous…

A:

Q: A 49.1 mL sample of a 0.362 M aqueous hypochlorous acid solution is titrated with a 0.305 M aqueous…

A: Given data: Volume of hypochlorous acid = 49.1 mL Molarity of hypochlorous acid = 0.362 M Molarity…

Q: the titration of 120 mL of 0.200 M HCl, what is the pH of the solution after 191.6 mL of 0.100 M…

A: 1- First calculate the mmoles of HCl and NaOH : a) mmoles of HCl = ( 120mL × 0.200M )  mmoles of HCl…

Q: A 33.1 mL sample of a 0.501 M aqueous hydrofluoric acid solution is titrated with a 0.399 M aqueous…

A: According to the question, 33.1 mL sample of a 0.501 M aqueous hydrofluoric acid solution is…

Q: A 0.381-M aqueous solution of NH3 (ammonia) has a pH of 11.4. Calculate the pH of a buffer solution…

A:

Q: What is the pH of a buffer solution that is 0.24M NH3 and 0.20M NH4Cl?

A: Given,Concentration of NH3 = 0.24 MConcentration of NH4Cl = 0.20 MAmmonia (NH3), is a weak base with…

Q: A 29.0 mL sample of a 0.441 M aqueous hypochlorous acid solution is titrated with a 0.429 M aqueous…

A:

Q: When a 19.7 mL sample of a 0.316 M aqueous nitrous acid solution is titrated with a 0.456 M aqueous…

A: Mid point of the titration is the half equivalence point where concentration of salt is equal to…

Q: When a 27.5 mL sample of a 0.323 M aqueous hypochlorous acid solution is titrated with a 0.484 M…

A: Since both acid and base are strong in nature hence they both will react immediately. Since moles of…

Q: When a 28.3 mL sample of a 0.414 M aqueous hypochlorous acid solution is titrated with a 0.432 M…

A: At the mid-point of titration, half of the millimoles of acid initially taken are neutralised by the…

Q: When

A:

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.