Please help me...... a. Do you expect the pH at the equivalence to be lowest when a 0.0500 M (CH3)3N(aq) solution or a C5H5N(aq) solution is titrated with a 0.0500 M HCl(aq) solution at 25.0 oC? Motivate your answer! (CH3)3N (Kb = 6.5 × 10-5) and C5H5N (Kb = 1.7×10-9) are weak monoprotic bases. Calculate the pH at the equivalence point and 25 oC when 1.00 L of a 0.0500 M C5H5N(aq) solution is titrated with a 0.0500 M HCl(aq) solution. Calculate the molar solubility for CaCO3 in a 0.060 M Ca(NO3)2(aq) solution. Ksp= 3.1 × 10-9 for CaCO3.

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: 7. You are given a 500 ml solution of 0.1 M HNO3 and an indicator HIn (Ka = 3.2x10) which changes…

A: The weak acids or bases that have different color in their dissociated and undissociated forms are…

Q: 18.63 mL of 0.100M H2SO4(aq) is placed in a beaker.  After 16.42 mL of NaOH is added to the beaker,…

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Q: Two solutions of an unknown slightly soluble salt, A(OH)2, were allowed to equilibrate—one at 25 °C…

A: Given: Volume of A(OH)2 =15 mL Concentration of HCl = 0.20 M At 25oC Volume of HCl =6.37 mL At 80oC…

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: A sample of acetic acid is titrated with a standardized NaOH solution. Beyond the end-point of the…

A: The titration reaction taking place is given as, => NaOH (aq) + HC2H3O2 (aq) -------->…

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: You prepare 500 mL buffer solution that contains 0.50 moles monoprtic weak acid (HA) and 0.30 moles…

A: Number of moles of weak acid = 0.50 mol Number of moles of conjugate base = 0.30 mol Ratio of…

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: 4

A: Given: Concentration of HCl = 0.24 M Volume of HCl solution = 12.0 mL = 0.012 L…

Q: What is the pH of a buffer that is 0.41 M HCN(aq) and 0.87 M NaCN(aq)? The Ka of HCN is 6.2 x 10-10.…

A: A numerical problem based on Henderson equation, which is to be accomplished.

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: 6. a) 25.0 mL of 0.50 mol/L hydroiodic acid (HI) is titrated with 0.50 mol/L pyridine,C,H,N.…

A: Introduction

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: On the basis of the Ksp of Al(OH)3, what would be the pH of a mixture consisting of solid Al(OH)3…

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Q: a) A nitrous acid/sodium nitrite buffer solution is prepared.  20.0 mL of 6.50 M nitrous acid (HNO2)…

A: Q5:  #(a):  Volume of 6.50 M HNO2 added = 20.0 mL * (1L/1000 mL) = 0.0200 L  => Moles of HNO2…

Q: A chemistry graduate student is given 450.mL of a 1.20M propanoic acid  (HC2H5CO2) solution.…

A: The formula for the calculation of pH of an acidic buffer solution is given below.

Q: A chemistry graduate student is given 300.mL of a 0.50M pyridine C5H5N solution. Pyridine is a weak…

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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: I have attached a picture of a problem that I'm having a hard with. Could you help and break down…

A: Buffer solutions are the solutions which resist the change in pH when small amount of acid or base…

Q: Calculate the change in pH when 9.00 of 0.100 M HCl * (aq) is added to 100.0 of a buffer solution…

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Q: What is the pH of a buffer made of 1.4E-1 M CH3COOH(aq) and 4.6E-1 M NaCH3COO(aq)? Ka for CH3COOH =…

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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: are pkbi = 2.10 and pKa = 7,83. Calculate the pH at each of the points in the titration of 50.0 mL…

A: Explanation:  Given: The first pKb value  for B is pK_b_1  =  2.10      The second pKb value  for B…

Q: A buffer solution contains 0.31 mol of boric acid (H3BO3) and 0.78 mol of sodium dihydrogen borate…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base . it…

Q: 50ml of 1.00M acetic acid, CH3COOH, is tritated with 2.00 M NaOH . find the PH of the solution at…

A: We would use Henderson-Hasselbalch to calculate the pH ate half equivalence point.  The volume of…

Q: 5 c) Benzoic acid, HC;H5O2, is a weak monoprotic acid. A stock HC,H5O2 solution with unknown…

A: The net ionic equation shows ions which are only present directly in the reaction all spectator ions…

Q: A buffer solution contains 0.23 mol of ascorbic acid (HC5H705) and 0.48 mol of sodium ascorbate…

A: Answer:- This question is answered by using the simple concept of calculation of pH of the buffer…

Q: The pK, values for the dibasic base B are pKbl = 2.10 and pKb2 = 7.38. Calculate the pH at each of…

A: pkb1 = 2.10 pkb2 = 7.38 [B] = 0.95 M [HCl] = 0.95 M V = 50.0 mL

Q: A buffer is composed of 0.200 M (CH3)2NH (Kb = 5.9 × 10–4) and 0.250 M (CH3)2NH2NO3. What is the pH…

A: pKb  = - log Kb            =  - log (5.90  * 10-4 )          = 3.23pKa = 14-pKb       = 14- 3.23…

Q: Propionic acid, HC3H5O2, has a Ką value of 1.3 x 105. A buffer solution is prepared by mixing 20.0…

A: Given:- Propionic acid, HC3H502, has a Ką value of 1.3 x 10-5. A buffer solution is prepared by…

Q: A volume of 500.0 mL of 0.170 M NaOH is added to 605 mL of 0.250 M weak acid (K₁ = 2.37 x 10-5).…

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Q: 3. (6)What is the pH of a buffer that is 0.12M lactic acid (HC3H5O3) and 0.1OM sodium lactate? Ka=…

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Q: A chemistry graduate student is given 300. mL of a 1.10M benzoic acid (HCH,CO₂) solution. Benzoic…

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Q: 1. Calculate the pH of the solution after the following amounts of 0.250 M NaOH have been added to…

A: HCl and NaOH react by neutralisation reaction HCl +NaOH→NaCl +H2O. Moles of HCl present  =Molarity…

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: 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…

Q: A buffer solution contains 0.35 mol of arsenous acid (H3ASO3) and 0.62 mol of sodium dihydrogen…

A: A buffer solution contains 0.35 mol of arsenous acid H3AsO3 and 0.62 mol of sodium dihydrogen…

Q: You prepare a MOPS buffer by adding 0.10 mol MOPS to water then adding 0.040 mol NaOH and diluting…

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Q: You have 1.5 liter of solution that is composed of 8.88 grams of NH3 and 11.33 grams of ammonium…

A: Hey, since there are multiple sub parts posted, we will answer first three questions. If you want…

Q: A chemistry graduate student is given 125. mL of a 1.20M dimethylamine ((CH3)₂NH) solution.…

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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.