Given the pKa of hypochlorous acid, HOCl, is 7.54.   What is the pH of a solution which consists of 0.20 M HOCl and 0.70 M OCl-?

Q: An analytical chemist is titrating 102.2 mL of a 0.5200M solution of nitrous acid (HNO,) with a…

A:

Q: An analytical chemist is titrating 94.8 mL of a 0.4000M solution of nitrous acid (HNO,) with a…

A: Given : Volume of HNO2 solution = 94.8 mL = 0.0948 L                                      (since 1 L…

Q: The CO2 we breathe reacts with water in our blood to form the weak acid H2CO3. What mole ratio of…

A: Given:Ka of H2CO3 is 4.4 ✕ 10−8

Q: An analytical chemist is titrating 53.0 mL of a 0.3400M solution of propionic acid (HC,H,CO,) with a…

A: Buffer solution not  formed

Q: Equal quantities of 0.010 M solutions of an acid HA and a base B are mixed. The pH of the resulting…

A: Equilibrium equation : Given data: Equal quantities of 0.010 M solutions of an acid HA and 0.010 M…

Q: An analytical chemist is titrating 185.4 mL of a 0.3800M solution of propionic acid (HC₂H5CO₂) with…

A: Given,  Molarity of propionic acid (HC2H5CO2 ) = 0.3800 M.  Volume of propionic acid (HC2H5CO2 ) =…

Q: An analytical chemist is titrating 60.6 mL of a 0.5600 M solution of formic acid (H,CO,) with a…

A: Given data: Volume of formic acid = 60.6 mL = 0.0606 L, Concentration of formic acid = 0.5600 M,…

Q: buffer solution is composed of 1.501.50 mol of acid and 7.757.75 mol of the conjugate base. If the…

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Q: An analytical chemist is titrating 223.5 mL of a 0.8500M solution of ammonia (NH3) with a 0.2900M…

A: First, we need to calculate the number of moles of NH3 and HClO. The number of moles is calculated…

Q: An analytical chemist is titrating 77.1 mL of a 0.5400M solution of piperidine (C,H,,NH) with a…

A: Step 1: Given the information:Molarity of ppiperidine = 0.5400 MVolume of piperidine  = 77.1…

Q: We mix 0.08 moles of chloroacetic acid (ClCH2COOH) and 0.04 moles of sodium chloroacetate…

A: Answer :- Buffer solution :- It is made up of weak acid & its salt Or weak base & its salt.…

Q: A student has a sample of 0.50 M lactic acid (HC3H5O3). She adds 10 mL of this solution to 40 mL of…

A: Given : Concentration of lactic acid = 0.50 M Volume of lactic acid solution used = 10 mL = 0.010 L…

Q: An analytical chemist is titrating 161.1 ml. of a 0.6100M solution of formic acid (H,CO,) with a…

A: Given data,Molarity of HCOOH=0.61MVolume of HCOOH=161.1mL=0.1611LMolarity of NaOH=0.46MVolume of…

Q: An analytical chemist is titrating 86.6 mL of a 0.4900M solution of dimethylamine ((CH,) NH) with a…

A: Step 1:Buffer solution is a type of solution that resists the change in its pH on adding small…

Q: An analytical chemist is titrating 200.5 mL of a 0.3400M solution of hydrazoic acid (HN,) with a…

A: Here we use the Henderson Hasselbach equation,pH = pKa + log [Salt]/[Acid] Initial Acid = 200.5 x…

Q: An analytical chemist is titrating 213.8 mL of a 0.2800M solution of butanoic acid (HC3H,CO₂) with a…

A: Volume of butanoic acid, V1 = 213.8 mL = 0.2138 L ( 1L = 1000 mL) Concentration of butanoic acid, M1…

Q: An analytical chemist is titrating 216.4 mL of a 0.4800 M solution of cyanic acid (HCNO) with a…

A: Given: Volume of HCNO = 216.4 mL Concentration of HCNO = 0.480 M Volume of NaOH = 363.3 mL…

Q: An analytical chemist is titrating 163.7 mL of a 0.7200M solution of benzoic acid (HC,H,CO,) with a…

A:

Q: What is the pH for the solution made from 11.10 mL of 0.2780 M NaOH solution mixed with 70.20 mL of…

A: Step 1: Volume of NaOH = 11.10 mL = 0.0111 L.Concentration of NaOH = 0.2780 M.Volume of ammonium…

Q: An analytical chemist Is titrating 150.5 mL of a 0.1400M solution of aniline (CH,NH,) with a 0.4000M…

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Q: An analytical chemist is titrating 63.4 mL of a 0.3700 M solution of nitrous acid (HNO,) with a…

A:

Q: An analytical chemist is titrating 1/8.6 mL of a 0.7500M solution of ammonia (NH3) with a 0.4800M…

A: Given -> Volume of NH3 = 178.6 ml Molarity of NH3 = 0.7500 M Volume of HNO3 = 142.1 ml Molarity…

Q: An analytical chemist is titrating 156.4 mL of a 0.3600 M solution of formic acid (H,CO,) with a…

A: Answer is explained below. Given that, concentration H2CO2 (formic acid) = 0.3600 M & volume of…

Q: A solution is prepared by adding 500 mL of 0.3 M NaCIO to 500 mL of 0.4 M HCIO. What is the pH of…

A:

Q: An analytical chemist is titrating 165.5 mL of a 1.100 M solution of propionic acid (HC,H,CO,) with…

A: Given, 165.5 mL of 1.100 M solution of Propionic acid  497.9 mL of 0.3900 M solution of KOH

Q: What is the pH of a mixture of 0.039 M NaH2PO4 and 0.061 M NaHPO4? The pka of phosphate buffer is…

A:

Q: The K, of phosphoric acid is 6.92 x 103. Calculate the pH of a buffer solution that is 0.44 M…

A:

Q: An analytical chemist is titrating 214.6 mL of a 1.200M solution of propionic acid (HC,H,CO,) with a…

A: By the reaction of Propanoic acid and KOH potassium propanoate and salt.sodium propanoate and…

Q: An analytical chemist is titrating 110.9 mL of a 1.100M solution of nitrous acid (HNO₂) with a…

A: First we need to calculate moles of both HNO2 and NaOH.  Then we have to draw an ICE table for…

Q: Calculate the pH of a solution formed by adding 3.00 grams of solid sodium azide, NaN₃, to 310.0 ml…

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

Q: An analytical chemist is titrating 191.3 mL of a 0.8900M solution of hydrazoic acid (HN,) with a…

A:

Q: An analytical chemist is titrating 101.2 mL of a 0.4900M solution of dimethylamine ((CH3)2NH) with a…

A: To calculate the pH after the addition of the acid, we'll follow these steps:Determine the moles of…

Q: What is the pH of a 0.455 M solution of lactate, (CH3)2 COO^-1. The pKa of lactic acid, (CH3)2 COOH…

A: Given - Concentration of solution of lactate (CH3)2 COO- =  0.455 M pKa of lactic acid  (CH3)2 COOH)…

Q: the final volume equals the initial volume of the solution plus the volume of NaOH solution added. ?

A: Given, Molarity of Acid(M) = 0.4500 M Volume of Acid(V) = 78.9 mL mmol of Acid =  M × V   = 0.4500 ×…

Q: An analytical chemist is titrating 129.5 mL of a 0.2500M solution of nitrous acid (HNO₂) with a…

A: Well, we will first calculate the millimoles of both acid and base to determine the excess reagent.…

Q: What is pH of a 0.1 Molar solution of oxalic acid in water

A: Given : Concentration of oxalic acid i.e H2C2O4 = 0.1 M The Ka1 and Ka2 of oxalic acid are 5.0 X…

Q: What is the pH of a solution prepared by mixing 150 mL of 0.10 M HCl with 300 mL of 0.20 M sodium…

A: Given, 150mL of 0.1M HCl 300mL of 0.1 NaOAc

Q: An analytical chemist is titrating 56.7 mL of a 0.4900M solution of formic acid (H,CO,) with a…

A:

Q: If equal volumes of 0.29 M acetic acid and 0.12 M sodium hydroxide are mixed, what is the pH of the…

A: Henderson–Hasselbalch equation, pH = pKa + log [salt]/[acid]

Q: An analytical chemist is titrating 160.2 mL of a 0.3300M solution of nitrous acid (HNO,) with a…

A: Given: The reaction is as follows: HNO2(g) + KOH(l)   ⇌  KNO2(aq) + H2O.  The volume of HNO2, (V1) =…

Q: An analytical chemist is titrating 232.9 mL of a 0.2400M solution of cyanic acid (HCNO) with a 1.200…

A: Given titration is between weak acid, cyanic acid and strong base, KOH. Based on the moles of excess…

Q: An analytical chemist is titrating 243.9 mL of a 0.3300M solution of ammonia (NH,) with a 0.8900M…

A: The above-given problem can be solved using the Henderson-Hesselbalch equation. Given,pKb of ammonia…

Q: Suppose 0.0013 mol HA and 0.0013 mol A− are present in 170. mL solution and the pH is 4.00. What is…

A: We have to calculate the acid dissociation constant value.

Q: An analytical chemist is titrating 88.8 ml. of a 0.4900 M solution of piperidine (C,HNH) with a…

A: When a strong base is added to a weak acid solution or a strong acid is added to a weak base, then…

Q: An analytical chemist is titrating 59.1 mL of a 0.6700 M solution of ammonia (NH,) with a 0.4500 M…

A: Given : Concentration of NH3 = 0.6700 M Volume of NH3 solution = 59.1 mL = 0.0591 L…

Q: A person suffering from anxiety begins breathing rapidly and as a result suffers alkalosis, an…

A: A question based on pH concept, which is to be accomplished.

Q: An analytical chemist is titrating 205.8 mL of a 0.09100M solution of propylamine (C,H,NH,) with a…

A:

Q: An analytical chemist is titrating 57.8 mL of a 0.6200M solution of methylamine (CH,NH,) with a…

A:

Q: An analytical chemist is titrating 206.4 mL of a 0.5200 M solution of propionic acid (HC,H,CO,) with…

A: Propionic acid is a weak acid. C2H5COOH + H2O ⇌ H3O+ + C2H5COO- And KOH → K+ + OH-