What is the ratio of lactic acid (Ka = 1.37x10-4) to lactate in a solution with pH =4.25?   Write your ratio out as a number containing a decimal.

Q: (HC(CH3),CO2) Calculate the acid dissociation constant K of trimethylacetic acid. Round your answer…

A: Given: The pH of a 0.17 M solution of trimethylacetic acid = 2.90 We have to calculate the value of…

Q: In this lab, we will be looking at the ammonia/ammonium ion buffer system. a) Write a balanced and…

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

Q: A group of chemistry students determined the titratable acidity of two brands of tetrapack juice.…

A: At first, NaOH solution was standardized, so we need to calculate the concentration of standardized…

Q: 1. Here we have two molecules. First one is the salicylic acid and the second one is the acetyl…

A: pKa value basically indicate the strength of acid . pKa value is the negative logarithm of acid…

Q: Find the pH of 0.2 M ammonia solution (pka=9.74). 2) a) b) Find the initial concentration of the…

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Q: Shampoo is a soap and therefore it is a acid/base (select one) and an PH level of less/more (select…

A: Shampoo is a hair cleaning product with a viscous liquid. They are generally made of surfactants…

Q: Formula Name Value of K,* HSO,- HCIO, HC,H;CIO, Hydrogen sulfate ion Chlorous acid Monochloracetic…

A: The acid given is nitrous acid i.e HNO2. Given : Concentration of HNO2 = 0.326 M .

Q: 1. Please illustrate the molecular structure of pyruvic acid, a weak acid. Identify the conjugate…

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Q: Question 3. In an experiment for the determination of the heat of proton ionization of an organic…

A: The balanced equation for the dissociation of acetic acid, CH3COOH(aq) is: CH3COOH(aq) ⇌ CH3COO-(aq)…

Q: Calculate the pH at 25 °C of a 0.44 M solution of lidocaine HCI (C14H2NONH,CI). Note that lidocaine…

A: Since C14H21NONH is a weak base with pKb = 7.94 Hence the pKa of its conjugate base i.e C14H21NONH2+…

Q: When fermentable carbohydrates are left in the mouth, bacteria in the mouth produce an acid with a…

A: The formula of hydronium ion is H3O+. pH is the negative log of hydronium ion concentration. The…

Q: hioglycolic acid, a substance used in depilatory agents (hair removers) has pK₁ = 3.42. What is the…

A: In the given question->pKa = 3.42 pH = 3.00 Suppose, thioglycolic acid is HA and conjugate base…

Q: 1. How do you prepare 500 mL of a ~0.10 M NaOH solution? What mass of NaOH(s) should you use?

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Q: Calculate the percent ionization of HA in a 0.010 M solution. Express your answer to two significant…

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Q: A.) Calculate the pH of a 0.381 M aqueous solution of nitrous acid (HNO2, Ka = 4.5×10-4) and the…

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Q: Calculate the percent ionization of HA in a 0.010 M solution. Express your answer to two significant…

A: The chemical reaction is as follows and the ICE table    HA + H20 <--> H3O+ + A- Initial…

Q: (10 pts) What is the Kg of an acid HA if the pH of a 0.150 M solution NaA has a measured pH 8.52? 9.

A: Molarity of NaA solution = 0.150 M Measured pH = 8.52 From the relation, pOH is calculated as,

Q: Calculate the percent dissociation of trimethylacetic acid (C,H,CO,H) in a 0.15 mM aqueous solution…

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Q: If the Ka for an acid is 0.010, what is the pK for its conjugate base? Give your answer to 2 decimal…

A: The objective of this question is to calculate the pK of the conjugate base of an acid given the Ka…

Q: Fill in the following table: [H3O"] РОН [OH'] ACID or BASE pH 7.21 9.84 x 109 M 3.25 2.64 x 102 M…

A: The relation connecting pH and concentration of H+([H+]) is given as ,  pH = -log[H+]   or  pH =…

Q: Consider the following data on some weak acids and weak bases: acid base K, formula formula name…

A: The word pH stands for the potency of hydrogen and it is used to measure the concentration of…

Q: The pK of lactic acid (HLac) is 3.85. Calculate the K, for lactate ion (Lac). Be sure your answer…

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Q: Consider two acids: C,H5CO,H (benzoic acid, pK = 4.2) and Cl,CHCO,H (dichloroacetic acid, pK = 1.3).…

A: Given pKa of benzoic acid = 4.2 pKa of dichloro acetic acid = 1.3

Q: Classify each of the following compounds as an acid, base, or both. Be sure to answer all parts.…

A: Given : Some Compounds are given  To find: Wether they are acid,base or both  Solution: Acids are…

Q: Calculate the pH of a 6.9 × 10¬³-M solution of H2SO4 ( -3

A: The pH is used to determine the acidity or alkalinity of a solution. Molarity of a solution is used…

Q: d The concluctivity of a 0.05 M solution of acetic crid of 12°c is 4-4X10" si'cm'. A of act ecetic…

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Q: For a weak acid with a pKa of 6.0, show how you would calculate the ration of acid to salt at pH 5.

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Q: (8) [Text - Problem 2.43] 2-43 What is the pH of a water that contains 120.00 mg L-¹ of bicarbonate…

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Q: Can you explain how to find conjugated base and acid?

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Q: What is the fraction of association (a) for each potassium propionate solution? The K₁ of propanoic…

A: Association reaction is defined as the one in which two molecules associates and leads to the…

Q: Calculate pKa

A: Given :- Ka for acetic acid = 1.8 × 10-5  To calculate :- pKa value

Q: Suppose a 0.027 M aqueous solution of oxalic acid (H₂C₂O) is prepared. Calculate the equilibrium…

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Q: (Q6) If the equilibrium pH of an aqueous solution is 1.72 and the solution is 0.433 M in formic…

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Q: Calculate the pH of a 1.8M solution of trimethylacetic acid.

A: Ka(acid dissociation constant) is the ratio of  product of concentration of products raised to their…

Q: Calculate the pH of a 4.9 x 10-³-M solution of H₂SO4 ( K₁₂ = 1.2 x 10-²).

A: Given: Concentration of H2SO4 = 4.9×10-3 M

Q: (Q6) If the equilibrium pH of an aqueous solution is 1.72 and the solution is 0.382 M in formic…

A: Given ; pH = 1.72

Q: Determine the pH of a 0.375445 M C6H5CO2H M solution if the Ka of C6H5CO2H is 6.5 x 10-5.  Record…

A: Benzoic acid is a weak acid it gives very small concentration of H3O+ ion. We know  pH =-log [H3O+]

Q: How many moles of acid (HX) are dissolved in water?   2- Calculate the value of (Ka) for the acid…

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Q: Nitrous acid, HNO2, has a Ka of 4.5 x10-4 and carbonic acid, H2CO3, has a Ka of 4.3 x 10-7.  Which…

A: Given that : For Nitrous acid (HNO2), Ka = 4.5 x10-4 For carbonic acid (H2CO3) Ka = 4.3 x 10-7 We…

Q: Where would you identify the equivalence points on this graph?

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Q: A weak base has Kg = 3.26 x 10-2. What is the pKB of this base? Report your answer to at least 1…

A: The pKB of a base is the negative logarithmic of KB value of the base.

Q: How many moles of NaOH will be needed to neutralize 0.85 mol of H₂SO4? The following equation is…

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Q: Q6\ How to prepare(10 MI/of 0.2 N of NaoH, m. wt NAOH =40

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