An industrial chemist studying bleaching and sterilizing prepares several hypochlorite buffers.  Find the pH of 0.200 M HClO and 0.200 M NaClO.  (Ka for HClO = 2.9 ×10−8)

Q: buffer solution is prepared by dissolving 4.7 g of nitrous acid, HNO2 , and 13.8 g of sodium…

A: The solution is as follows:

Q: 10⁻⁸) with 0.100 M LiOH. a) What is the pH of the solution before any base has been added? b) What…

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Q: Suppose you want to make a buffer with a pH of 3.60. Which of the following acid/conjugate base…

A: The pKa value of the acid gives an idea of which conjugate acid-base pair should be chosen for the…

Q: a) H,PO,/NaH,PO, 19. Without doing calculations, determine the pH of a buffer made from equimolar…

A: I am providing you an image that describe the concept how to arrive to this type of problem

Q: Consider the titration of a 40.0 mL of 0.197 M 8 8 weak acid HA (Ka = 2.7 x 10-9) with 0.100 M LIOH.…

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Q: A 1.35 L buffer solution consists of 0.175 M butanoic acid and 0.336 M sodium butanoate. Calculate…

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Q: Consider the titration of a 40.0 mL of 0.153 M weak acid HA (Ka = 2.7 x 10⁻⁸) with 0.100 M LiOH.…

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Q: 2) The ionization constant for NH3 in water is 1.8 x 10 - 5. Determine the hydroxide ion…

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Q: Consider the titration of a 50.00 mL sample of 0.100 M ethylamine, C2H5NH2, with 0.100 M HCl (aq.,…

A: Buffer solution are those solution which has constant pH and it contains both acidic as well as…

Q: Consider a buffer made by dissolving 0.140 mol cyanic acid, HCNO, and 0.11 mol potassium cyanate,…

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Q: A chemistry graduate student is given 450. mL of a 0.90 M nitrous acid (HNO₂) solution. Nitrous acid…

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Q: A buffer solution contains 1.250 mol of phenol, C6H5OH, and 0.950 mol of sodium phenoxide, C6H5ONa,…

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Q: A buffer is prepared by mixing 50.0 mL of a 0.150 M sodium formate (NaHCO2) solution with 50.0 mL of…

A: Given : Concentration of NaHCO2 = 0.150 M Volume of NaHCO2 solution = 50.0 mL = 0.050 L…

Q: A chemistry graduate student is given 450. mL of a 1.40 M nitrous acid (HNO, solution. Nitrous acid…

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Q: A buffer is prepared by adding 2.50g of lithium fluoride to 125 mL of 0.648M hydrofluoric acid.  You…

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Q: A student titrates 20.00 mL of 0.300 M HCN (Ka of HCN = 4.9x10^-10) with 0.200 M NaOH. What is the…

A: When the moles of NaOH added are less than the moles of weak acid present, it will neutralize a part…

Q: Consider the titration of 25.00 mL of 0.100 M hydrofluoric acid, HF, with 0.100 M NaOH. What is the…

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Q: A chemistry graduate student is given 450. mL of a 1.40M nitrous acid (HNO,) solution. Nitrous acid…

A: Answer :-  Mass Of NaNO2 = 1.8 × 102 (g)  The mass of NaNO2 needs to be dissolved in 450 mL 1.40 M…

Q: At 25oC, a 1-L buffer solution is prepared by mixing acetic acid and sodium acetate. A) If the…

A: Given: pH = 5 Ka of acetic acid = 1.8×10-5   Calculation for pKa of the acetic acid: Calculation…

Q: Which of the following acids (listed with Ka values) and their conjugate base would form a buffer…

A: We have to identify which of the below given acids and their conjugate base would form a buffer with…

Q: Which of the following compounds could be used to create a buffer with a pH of 9.00? ammonia, Kb =…

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Q: You have 500.0 mL of a buffer solution containing 0.20 M acetic acid (CH;COOH) and 0.30 M sodium…

A: Given: The volume of the buffer solution (V) = 500.0 mL = 0.5 L The concentration of acetic acid…

Q: You have 500.0 mL of a buffer solution containing 0.250 M acetic acid (CH₃COOH) and 0.240 M sodium…

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Q: Buffer solutions are defined as equilibrium 10) systems that resist changes in acidity and maintain…

A: A buffered solution generally consists of a weak acid and its conjugate base, or a weak base and its…

Q: onsider the titration of a 40.0 mL of 0.189 M weak acid HA (Ka = 2.7 x 10⁻⁸) with 0.100 M LiOH. What…

A: The given volume and molarity of weak acid HA are 40.00 mL and 0.189 M. The value of Ka is 2.7×10-8.…

Q: Consider a buffer made by dissolving 0.140 mol cyanic acid, HCNO, and 0.11 mol potassium cyanate,…

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Q: For a buffer initially containing .08 mol of benzoic acid (HC7H5O2) and .12 mol of C7H5O2° in 1.0 L,…

A: When you adding base on acidic buffer solution then Benzoic acid react with base and it's produces…

Q: A buffer solution was prepared that contained 0.60 M hydrogen fluoride, HF (Ka = 7.2 x 104) and…

A: An aqueous solution efficient to withstand the pH changes and comprising weak acid/base combined…

Q: 1) You want to prepare a buffer with a pH of 3.6. Which weak acid should you use and what else…

A: 1. To prepare a buffer of pH 3.6, the superior choice is HNO2 acid. Because HNO2 has pKa value =…

Q: 1. A 45.0 mL sample of 0.200 M Lysergie Acid Diethylamide, LSD, is titrated with 0.200 M of NaOH.…

A: It is an example of acid base titration reaction, in which by the help of known acid we find the…

Q: 1. A 45.0 mL sample of 0.200 M Lysergic Acid Diethylamide, LSD, is titrated with 0.200 M of NaOH.…

A: A buffer solution is an aqueous solution consisting of a mixture of a weak acid and its conjugate…

Q: A chemistry graduate student is given 250. mL of a 0.30M chloroacetic acid (HCH,CICO,) solution.…

A: We have to calculate the mass of salt added.

Q: 20.00 mL of 0.250 M propanoic acid, C3H7COOH, is titrated with 0.125 M NaOH. Calculate the pH for…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 2. Calculate the pH of the following solutions: а. A buffer solution containing 0.10 M acetic acid…

A: The total volume of the solution = 1 L. [CH3COOH] = 0.10 M [CH3COONa] = 0.10 M

Q: Phosphoric acid is a triprotic acid (?a1=6.9×10−3 M, ?a2=6.2×10−8 M, and ?a3=4.8×10−13 M). To find…

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Q: Which acid, along with it's corresponding salt, would be best to make a buffer of pH 7? hydrofluoric…

A: Given pKa = -log KaHydrofluoric Acid = Ka = 6.8 × 10-4pKa = 3.2Hypochlorous Acid = Ka = 3.5 ×…

Q: 6. Which of the following processes will increase the pH of a buffer solution prepared by mixing…

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Q: Calculate the pH of the following two buffer solutions: (a) 2.0 M CH3COONa/2.0 M CH3COOH (b) 0.20 M…

A: Both are the acidic buffer (CH3COOH/CH3COONa) In both case the concentration of salt (CH3COONa) and…

Q: A buffer solution that is made with equal volumes of 2.5M citric acid and 0.5M sodium citrate?  The…

A: The volumes of citric acid and sodium citrate are equal.  Ka of citric acid = 8.4 x 10-4 The…

Q: If you wanted to create a buffer with a pH - 3.2, what substances would you choose to make the…

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Q: The stockroom contains 1M NaAc (Sodium Acetate), 1M HAc (Acetic Acid), distilled water and strong…

A: Concentration of stock solution of NaAc = 1M Concentration of stock solution of HAc = 1M A buffer…

Q: 4. A 300 mL buffer is prepared in which [HCO,]= 0.2M and [CO,'] 0.075M a) What is the pH of this…

A: 4. Given that : Volume of buffer = 300 mL [HCO3-] = 0.2 M [CO32-] = 0.075 M

Q: 3. A formic acid buffer is prepared with 0.010 M each of formic acid (HCOOH) and sodium formate…

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Q: Consider a buffer made by dissolving 0.140 mol cyanic acid, HCNO, and 0.11 mol potassium cyanate,…

A: Given,  Moles of cyanic acid (HCNO) = 0.140 mol.  Moles of potassium cyanate (KCNO) = 0.110 mol.…

Q: 2. A buffer solution is prepared by dissolving 4.7 g of nitrous acid, HNO2 , and 13.8 g of sodium…

A: The solution is as follows:

Q: A chemistry graduate student is given 100. mL of a 0.90M hydrocyanic acid (HCN) solution.…

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

Q: 4. A 300 mL buffer is prepared in which [HCO,] = 0.2M and [CO,"] 0.075M a) What is the pH of this…

A: Given: Volume of solution = 300 mL = 0.300 L                                        (Since 1 L =…

Q: A 25.0 mL sample of 0.35 M HCOOH is titrated with 0.20 M KOH . What is the pH of the solution after…

A: Given : Concentration of HCOOH = 0.35 M Volume of HCOOH solution = 25.0 mL = 0.025 L…

Q: ou want to prepare 1.00 L of a buffer solution with a pH of 3.5.  You are given an 0.45 M solution…

A: pH =Pka + log[salt][acid][salt]=0.68yx+y=0.68y[acid]=0.45x-0.68yx+y[acid]=0.45-1.13ysubstititing the…

Q: A 25 mL sample of 0.150 M monoprotic organic acid is titrated with aqueous sodium hydroxide. After…

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