Calculate the pH of a weak acid which dissociates as   AH ⇌ A- + H+   ( like CH3COOH ⇌ CH3COO- + H+   or   HNO2 ⇌ NO2- + H+  ) knowing that the initial concentrations are [AH]0 0.11 M and the acid dissociation constant, Ka , is 5.86e-7   pH _______     ← please insert your value

Q: Calculate the pH at the equivalence point of 61 ml solution containing a weak base, BOH, for…

A: given: 61 ml of weak base is titrated with 20 ml of 1.1 M strong acid HCl. at equivalence point,…

Q: Determine the pH at the point in the titrátion of 40.0 mL of 0.200 M HC4H,O2 with 0.100 M Sr(OH)2…

A: Base dissociation constant , Kb represents basicity in a solution. For a dissociation of base (B) in…

Q: Calculate the pH of a weak acid which dissociates as   AH ⇌ A- + H+   ( like CH3COOH ⇌ CH3COO- + H+…

A: The dissociation reaction of weak acid HA is  HA ⇌  H+ + A-

Q: Write the hydrolytic reaction and equilibrium expression, corresponding to the second ionization,…

A: The equilibrium expression for citric acid has been provided.

Q: Sodium nitride (NaNO2) is often used as a preservative for meats. a) Knowing that the Ka of nitrous…

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Q: A solution is made by mixing exactly 500 mL of 0.172 M NaOH with exactly 500 mL of 0.100 M CH3COOH.…

A: Acetic acid contains a carboxylic group i.e. –COOH. Acetic acid is weak acidic in nature. It shows…

Q: We dissolve 1.00g of a weak acid HA in 1L of water. Find the concentration, in ppm, of the acid HA…

A: Given: Mass of HA = 1.00 g. Volume of solution = 1 L pKa of HA = 3.27  Molar mass of HA = 140.113…

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A: Answer:Weak acid present in water will dissociate partially into its ions and an equilibrium will…

Q: 1. a. What is the pH of a solution prepared by adding 25.0 mL of 0.10 M acetic acid (Ka = 1.8 x…

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Q: A chemist titrates 100.0 ml of a 0.1774M nitrous acid (HNO,) solution with 0.1183 M KOH solution at…

A: Volume of HNO2 Solution = 100. mL = 0.1 LMolarity of HNO2 solution = 0.1774 MMoles of HNO2  =…

Q: At equilibrium, the [H+] in a 2.50M solution of a weak acid, HA, is 4.07x10-3M. a) Write an…

A: We would write dissociation equation by dissociating the weak acid into its ions .  For other parts…

Q: Ifa solution of HP (K. - 6.8 x 10 ) has a pH of 2.70, calculate the concentration of hydrofuoric…

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Q: a solution that is 0.170 Min HC₂H₂O₂ and 0.105 M in KC₂ H₂O₂ Express your answer to two decimal…

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Q: Part A Section 16.6. ss the section in What is [H3O+] in pure water at body temperature? of Kw…

A: From the ionization of water, H2O(l) + H2O(l) ----> H3O+(aq.) + OH-(aq.) [H3O+]= [OH-] Kw =…

Q: Calculate the pH for the following weak acid. A solution of HCOOH has 0.21 M HCOOH at equilibrium.…

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Q: Calculate the equilibrium concentrations of the following in a 0.100 M oxalic acid, (COOH)2…

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Q: 1. What will the color of the extract solution be if the pOH=2? 2. What is the [H30+] for a solution…

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Q: HCN is a monoprotic weak acid with a K, value of 4.90 x 10-10 Calculate the pH of a 6.00 x 10-6 M…

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Q: 5. Calculate the pH and pOH of Aniline and Methylamine if both solutions have a concentration of…

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Q: A 1.00 M solution of fluoroacetic acid is 10.0% dissociated in water at a certain temperature. The…

A: Dissociation of fluoroacetic acid is given   We have to calculate pOH Ka   pH on dilution

Q: Calculate the pH of a weak acid which dissociates as   AH ⇌ A- + H+   ( like CH3COOH ⇌ CH3COO- + H+…

A: The given weak acid dissociates as follows, AH ⇌ A- + H+ The given Ka value is 8.46 x 10-7 Ka for…

Q: Rank the following compounds in terms of their pH in aqueous solution. The compound with the lowest…

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Q: If the carbonic acid (H2CO3) concentration in a sample of blood is 0.00250 M , determine the…

A: Given, H2CO3(aq)  ⇌  HCO3-(aq) + H+(aq) pH of blood = 7.45 Acid dissociation constant (Ka) = 4.3 ×…

Q: Determine the Ka value [H +]eq Solution 1 3.98 X 10-3 M Solution 2 6.03 X 10-4 M Solution 3…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: An acid (HA) dissociates as follows: HA - H* +A minus Arrow should be interpreted as an equilibrium…

A: Since,   pH=-log[H+]  and [H+]=110pH

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Q: 0.1 M NH4CI solution, using the given pH data, write expression for equilibrium constant (Ka or Kb):

A: Net ionic reaction for the hydrolysis reaction in NH4Cl is given below NH4+​​​​​​​(aq) +…

Q: Construct the expression for Ka for the weak acid, CH;COOH. CH;COOH(aq) + H,0(1) H,0*(aq) +…

A: Ka for general acid dissociation reaction is,

Q: Methyl red is a pH indicator. It turns red if the pH drops to 4.4 or lower, and turns yellow in…

A: Methyl red indicator turns red if the pH drops to 4.4 or lower andIt turns yellow if the pH is 6.2…

Q: If the bicarbonate ion (HCO3-) concentration in a sample of blood is 0.135 M, determine the carbonic…

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Q: An analytical chemist is titrating 215.7 mL of a 0.2900M solution of dimethylamine ((CH, NH) with a…

A: To Calculate the pH, we would first Calculate moles of both compounds and draw an ICE table.  Based…

Q: For each chemical reaction in the table below, decide whether the highlighted reactant is a…

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Q: 1. Write a chemical equation for the dissociation of the hypochlorite ion, ClO-1, in water to make a…

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Q: A 2.0 L solution made by adding solid NaCIO to water resulted in a basic equilibrium with a pH of…

A: Consider the given information is as follows; Volume of the solution = 2.0 L pH of the solution =…

Q: Ka

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Q: If the carbonic acid (H2CO3) concentration in a sample of blood is 0.0050 M, determine the…

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Q: 5 The initial concentration of an acetic acid solution is 1.0 M and has a pH of 2.37. CH3COOH H+ +…

A: AS PER ANSWERING GUIDELINES I WILL ANSWER ONLY THE FIRST ONE IF YOU WANT THE REST POST THEM…

Q: 3. The acid ionization constants for the triprotic acid, phosphoric acid are listed below. Kaj = 7.5…

A: The given acid is triprotic acid that is phosphoric acid: Acid ionization constants are:

Q: A diprotic acid, H,A, has acid dissociation constants of Kal = 4.76 x 10 nolar concentrations of H,…

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Q: 5) Calculate the pH of 250.0 mL of formic acid solution with a concentration of 0.225 M…

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Q: The pH of a solution made from a 0.75 M acetic acid solution and a 0.54 M sodium acetate solution is…

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Q: Consider a 1.0-L solution that is initially 0.500 M NH3 and 0.570 M NH4CI at 25 °C. What is the pH…

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Q: Determine the Ka value [H +]eq Solution 5  4.68 X 10-10 M Directions Take a 30.0 mL sample…

A: The concentration of hydroxyl ion is calculated as follows:

Q: CHM 131A Lab 12-2021SP 1. HCl is a strong acid, which means that it dissociates completely in water.…

A: