A volume of 500.0 mL of 0.160 M NaOH is added to 525 mL of 0.250 M weak acid (K₁ = 3.24 × 10-5). What is the pH of the resulting buffer? HA(aq) + OH(aq) →→→ → H,O(l) + A(aq) pH 4.0 Incorrect

Q: 40.0 mL of 0.12 M weak monoprotic acid with a Ka value of 1.0*10^-5 is titrated with 0.12 M…

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Q: A volume of 500.0 mL of 0.140 M NaOH is added to 615 mL of 0.250 M weak acid (?a=8.47×10−5). What is…

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Q: Calculate the pH of a buffer containing 0.1 M HC2H3O2 (aq) mixed with 0.1 M NaC2H3O2 (aq)?

A: The buffer solution will contain 0.1 M acetic acid (weak acid) and 0.1 M sodium acetate (salt of…

Q: A volume of 500.0 mL of 0.170 M NaOH is added to 625 mL of 0.200 M weak acid (Ka=2.88×10−5). What is…

A: pKa  = - log Ka            =  - log (2.88  * 10-5)          = 4.541

Q: For the titration of 20.0 mL of 0.400 M HCl(aq) with 0.400 M NaOH(aq): 1. What is the initial pH of…

A: we have to calculate the pH of solution

Q: The pK, values for the dibasic base B are pKb1 = 2.10 and pKb2 = 7.42. Calculate the pH at each of…

A: Here a dibasic base is titrated with HCl. Let us consider the base to be B.  pkb1 = 2.10 , pkb2=…

Q: What is the molarity of a 12.46 mL sulfuric acid solution of 18.22 mL of 0.100 M potassium hydroxide…

A: The given volume of H2SO4 solution (V1) =12.46 ml          The molarity of H2SO4 solution (M1) = ?…

Q: How much 5.70 M NaOH must be added to 430.0 mL of a buffer that is 0.0180 M acetic acid and 0.0240 M…

A: Concentration of NaOH = 5.70 M Concentration of acetic acid = 0.0180 M Concentration of sodium…

Q: A volume of 500.0 mL of 0.160 M NaOH is added to 625 mL of 0.250 M weak acid (Ka=4.12*10^ -5 ) what…

A: Given, [NaOH] = 0.160 M Volume of [NaOH] = 500mL [weak acid] = 0.250 M Volume = 625 mL Let's…

Q: What concentration of acetate ion in 0.500M CH3COOH(aq) produces a buffer solution with PH=5? Ka…

A: Given : Concentration of CH3COOH = 0.500 M And pH of buffer = 5

Q: A volume of 500.0 mL of 0.160 M NaOH is added to 605 mL of 0.200 M weak acid (?a=4.76×10−5). What is…

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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…

A: LiOH is a strong base it reacts with weak acid CH3 COOH to give a buffer solution before equivalence…

Q: A volume of 500.0 mL of 0.170 M NaOHNaOH is added to 585 mL of 0.250 M weak acid (?a=2.35×10−5).…

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Q: A volume of 500.0 mL of 0.150 M NaOH is added to 605 mL of 0.250 M weak acid (?a=1.53×10−5). What is…

A: Given: Equation for the reaction of weak acid with strong base is- HA(aq)+OH-(aq)→H2O(l)+A-(aq)…

Q: Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO₂H, in enough water to make 5.00 x…

A: Given- Mass of Benzoic acid = 0.235 g Volume of water = 5.00×102 mL Molarity of NaOH = 0.168 M

Q: A volume of 500.0 mL of 0.100 M NaOH is added to 585 mL of 0.200 M weak acid (K, = 1.87 × 10). What…

A: Please refer to the attached picture.

Q: A student does a titration of 86.0 mL of a 0.37 M solution of methylamine (CH3NH2(aq) (pKb =3.36)…

A: PH+Poh=14. This is basic buffer equation  Poh=pkb+log[salt]/base Use this equation and get the…

Q: Consider a buffer solution at 25°C that consists of 0.29 M HOCl(aq) and 0.23 M NaOCl(aq).…

A: The objective of this question is to calculate the pH of a buffer solution. The buffer solution is…

Q: A volume of 500.0 mL of 0.180 NaOH is added to 585 mL of 0.200 M weak acid (Ka=3.23×10−5). What is…

A: Given that; HA(aq) + OH(-)(aq) -> H2OCl + A(-)(aq) Volume of NaOH = 500.0ml, 0.180M NaOH Volume…

Q: A volume of 500.0 mL of0.140 M NaOH is added to 525 mL of 0.200 M weak acid (Ka=3.90×10−5). What is…

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Q: A volume of 500.0 mL of 0.120 M NaOH is added to 605 mL of 0.250 M weak acid (?a=3.17×10−5). What is…

A: There is acid base reaction,which results in formation of buffer solution.

Q: A buffer is made by adding 0.68 g of sodium formate, NaHCOO (molar mass = 68.0 g/mol), to 1.00 L of…

A: Given : Mass of sodium formate i.e NaHCOO = 0.68 g Concentration of formic acid i.e HCOOH = 0.015 M…

Q: What is the pH of a buffer containing .0721 M Na2SO4 (aq) and .117 M NaHSO4 (aq)?

A: pH  of acidic buffer, pH = pKa+log([conjugate base]/[acid]).  pH  of acidic buffer, pH =…

Q: need help with the explanation under the table.

A: Le Chatlier Principle states that if a system at dynamic equilibrium is disturbed by change in…

Q: A buffer is made by mixing 40.00 mL of a 0.100 M solution of the fictitious acid HA (pKa = 5.11)…

A: Given,Molarity of fictitious acid, HA = 0.100 M   ( pKa = 5.11 )volume of HA = 40.00 mLMolarity of…

Q: A volume of 500.0 mL of 0.160 M NaOH is added to 535 mL of 0.250 M weak acid (?a=8.50×10−5).What is…

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Q: A volume of 500.0 mL of 0.130 M NaOHNaOH is added to 565 mL of 0.200 M weak acid (?a=6.13×10−5).…

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Q: A buffer solution is prepared by adding 12.71 g of sodium acetate (NaC2H3O2) and 15.98 g of acetic…

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Q: Consider an analyte solution of 50.0 mL of 0.050 M hydrochloric acid, HCl, titrated against 0.10 M…

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Q: A volume of 500.0 mL of 0.130 M NaOH is added to 605 mL of 0.200 M weak acid (K₂ = 3.87 x 10-5).…

A:

Q: A volume of 500.0 mL of 0.140 M NaOH is added to 565 mL of 0.200 M weak acid (?a=1.59×10−5). What is…

A: Given,  The pH of the buffer solution made by using 500.0 mL of 0.140 M NaOH is added to 565 mL of…

Q: What is the resulting pH of mixing 50.0 ml 0.0500 M NH4Cl (aq) with 10.0 ml 0.0500 M HNO3(aq)? If…

A: Given :  Molar concentration of NH4Cl = 0.0500 M  Volume of NH4Cl solution = 50.0 ml  Molar…

Q: ulate the pH of a solution prepared by dissolving 1.90 g of sodium acetate, CH,COONA, in 85.0 ml of…

A: Given, Mass of Sodium Acetate = 1.90 g Ka of CH3COOH is 1.75×10-5.

Q: (a) A 20.00 mL solution of 1.50 M methylamine, CH3NH2 is titrated with 1.50 M solution of…

A: Given,  (a). [CH3NH2] = 1.50 M  Volume of CH3NH2 in mL = 20.00 mL  [HCl] = 1.50 M  Base dissociation…

Q: 2

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Q: A chemistry graduate student is given 500. mL of a 0.40M ammonia (NH,) solution. Ammonia is a weak…

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Q: An analytical chemist is titrating 159.5 mL of a 1.200 M solution of nitrous acid (HNO,) with a…

A: The is a neutralization reaction which takes place as,…

Q: 라 Zn(OH)₂ (s) = 2n² (aq) + 2011 (aq)

A: Answer:Le-chatalier's principle states that on changing any parameter of the system that is in…

Q: you are given 1.8 M acetic acid solution (CH3COOH) and solid sodium acetate trihydrate (NaOOCCH3 X 3…

A: The objective of the question is to calculate the  after adding .

Q: Tris(hydroxymethyl)aminomethane is a common base used to prepare buffers in biochemistry.  Its Kb is…

A:

Q: 1.15 g of an unknown triprotic acid (H3A) is titrated with 2.50 M KOH. It takes 35.5 mL of KOH to…

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Q: Determine the volume in mL of 0.251 M HBr(aq) needed to reach the equivalence (stoichiometric) point…

A: Given information, Molarity of HBr = 0.251 M Volume of (CH3)2NH = 25.92 mL Molarity of (CH3)2NH =…

Q: A volume of 500.0 mL of 0.140 M NaOH is added to 565 mL of 0.250 M weak acid (?a=6.88×10−5). What is…

A: Given data,Molarity of NaOH=0.140MVolume of NaOH=500mL=0.500LMolarity of acid=0.250Mvolume of…

Q: 24.54 mL of 0.100M H2SO4(aq) is placed in a beaker.  After 22.04 mL of NaOH is added to the beaker,…

A: The balanced equation for the reaction between sodium hydroxide and sulfuric acid is as follows.…

Q: 16.75 mL of 0.100M H2SO4(aq) is placed in a beaker.  After 17.65 mL of NaOH is added to the beaker,…

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Q: A buffer solution contains 0.77 mol of hydrosulfuric acid (H2S) and 0.43 mol of sodium hydrogen…

A: Here the reaction is, H2S(aq) + H2O(l) ⇌HS- (aq) + H3O+(aq) Here, Ka= 9.5×10-8 From Henderson…

Q: A volume of 500.0 mL of 0.180 M NaOH is added to 595 mL of 0.250 M weak acid (?a=4.93×10−5). What is…

A: Use Henderson Hasselbalch equation to find pHpH = pKa  + logA-HAKa = 4.93x10-5 Pka = - log Ka = -…

Q: A volume of 500.0 mL of 0.100 M NaOH is added to 525 ml. of 0.200 M weak acid (K, = 6.27 x 10-),…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for