What are the concentrations of imidazole hydrochloride and imidazole if the final solution concentration is 0.100 M and the pH is 7.30? pKa of imidazole hydrochloride is 6.99

Q: A 0.10 M solution of formic acid (HCOOH) is prepared in various solvents: (a) 0.10 M Ca(HCOO)2…

A: The given data contains, Molarity of HCOOH = 0.10 M Molarity of Ca(HCOO)2 =0.10 M Ka = 1.78 X 10-4

Q: Part A: Write an equation that represents the action in water of hydrosulfuric acid (H2S) as a…

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Q: If the pKa of HCN is 9.21 and the pH of an HCN/NACN solution is 9.23, then a) [HCN]>[CN-]…

A: pH = 9.21 pKa = 9.23

Q: What is the pH of a 0.020M ammonia (NH3) solution if its Kb value is 1.8x10-5? a.12.3 b.10.8 c.3.2…

A: Given : [NH3] = 0.020 M Kb = 1.8×10-5 pH = ?

Q: A 0.050 M solution of sodium meta-toluate (NaTol) has a pH of 8.47. What is the Kb of meta-toluate…

A: Sodium meta-toluate solution is formed on mixing of sodium hydroxide and meta-toluic acid. Sodium…

Q: What is the pH of a 0.01000 M solution of acetic acid? Ka acetic acid = 1.800x10-5

A: Given, Concentration of the acetic acid solution (C) = 0.01000 M  Ka of acetic acid = 1.800 × 10-5…

Q: 1)Calculate the pH of a 2.7 x 10^-4 M solution of codeine if the pKb is 5.79. Answer to two decimal…

A: Given,  1) The pH of a 2.7 x 10^-4 M solution of codeine if the pKb is 5.79 is: 2)  If mixed two…

Q: What is the pH of a 0.055 M solution of sodium cyanide? The Ka value for hydrocyanic acid is 6.2 ×…

A: The pH of a 0.055 M solution of sodium cyanide can be calculated as follows

Q: 3.) HEROINE A DERIVATIVE OF MORPHINE IS A POWERFUL ANALGESIC. CALCULATE THE KB FOR HEROIN IF THE PH…

A: Given that -  pH of heroine = 9.60  Molarity = 1.7×10-3 M    The Equilibrium Reaction for heroine…

Q: Determine the Ka of each solution of Acetic acid with its given pH                           1.00 M…

A: The reaction for the dissociation of acetic acid can be written as follows: CH3COOH(aq) ⇌…

Q: Calculate the pH of a 0.24 M solution of sodium lactate. The pKa of lactic acid is 3.86. Round to…

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Q: How does the acidity of hand soap at pH 10 compare to distilled water at pH 7?   A. Hand soap is…

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Q: Calculate the pH of a solution that is 0.214 M acetic acid and 0.152 M sodium acetate. The Ka of…

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Q: What is the pH of a solution containing 0.30 M CH₃COONa and 0.10 M CH₃COOH? The Ka of CH₃COOH is 1.8…

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Q: A compound has a pKa of 7.4. To 100 mL of a 1.0 M solution of this compound at pH 8.0 is added 30 mL…

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Q: What is the Ka of butyric acid if a 0.030 M butyric acid aqueous solution has a pH of 3.18?…

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Q: What is the pH of a solution containing 0.050 M CH3CO2H and 0.025 M CH3CO2Na? Ka = 1.8 × 10-5 for…

A: The answer is given as follows

Q: beginning with arecoline (pKa:7.6), Show the acid dissociation equilibrium reaction for arecoline in…

A: Structure of arecoline:

Q: 1. If the Ka of an acid is 1.8x10 ^-5, calculate the pKa and pKb values of the acid.

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: What is the pH when 20.0 mL of 1.00 M NaOH has been added to 25.0 mL of 1.00 M CH3COOH…

A: The pKa of the acetic acid is equal to –log(Ka) = 5 – log(1.8) = 4.75 Number of moles of acetic acid…

Q: What type of amino acid has a side chain that contains –COO–? polar neutral nonpolar acidic…

A: What type of amino acid has a side chain that contains –COO–?

Q: Which of the following acids would be able to neutralize the most base? 100 mL of 0.5 M H2SO4 300…

A: Introduction: According to Bronsted and Lowry concept, an acid is a substance that can donate…

Q: The pKb of 4-hydroxypyridine is 10.80 at 25°C. What is the pH of a 0.0250 M solution? Round to two…

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Q: A solution of phenol (HC₆H₅O) is prepared by dissolving 0.385 g of phenol in 2.00 L of H₂O. The…

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Q: What would the pH be at the equivalence point when citric acid is neutralized with sodium hydroxide?…

A: pH can be defined as the measure of acidity. It have the formulae, pH =-logH+

Q: Select the correct term (higher than, lower than, or the same as) to describe each of the following…

A: Here we are required to compare acidity of two acid .

Q: Classify K2O     strong acid     weak acid     strong base     weak base

A: Acid- The species which is able to donate H+ ion is called as acid.  Bade The species which is able…

Q: Calculate the pH of each of the following mixtures.   500 ml 0.35 M KOH + 500 ml 0.25 M HNO3

A: Since you have sent more than one question therefore according to our policies we are bound to…

Q: For equal concentrations of acids such as hydrofluoric acid, acetic acid, and benzoic acid, does the…

A: Ka is the dissociation constant of an acid. For example, the dissociation of HCl can be written as…

Q: Calculate the pH of a 0.055 M solution of CH3COONa. (Ka(CH3COOH) = 1.8 x 10-5) Kw= 1.0 x 10-14…

A: [CH3COONa] = 1.8 × 10-5 Ka = 1.8 × 10-5 Kw = 1.0 × 10-14

Q: Propionic acid, a common constituent of anaerobic digesters, dissolves in water and dissociates into…

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Q: 0.050 M solution of sodium meta-toluate (NaTol) has a pH of 8.47. What is the Kb of meta-toluate…

A: Given data: pH of solution = 8.47 Concentration of NaTol = 0.05 M Formula used: pOH=-log[OH-] Kw =…

Q: What is the Ka of cinnamic acid if a 0.030 M cinnamic acid aqueous solution has a pH of 2.99?

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Q: Carbonic acid (H2CO3) is a diprotic acid with Ka1 = 4.30 × 10–7 and   Ka2 = 5.60 × 10–11 What is…

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Q: 7. What is the pH at the half equivalence point in the graph? a)pH 2.8 b)pH 3.5 c)pH 4 d)pH 7   7a.…

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Q: Codeine 1C18H21NO32 is a weak organic base. A 5.0 * 10-3M solution of codeine has a pH of 9.95.…

A: Given: Concentration of the solution=5.0×10-3M pH=9.95 To find: The pKb for the base.

Q: What is the pH of a 0.10 M solution of ethylamine at 25º C? The pKb of ethylamine at 25º C is 3.25.…

A: Ethylamine is a weak acid so it dissociates partially.

Q: Calculate pOH for a highly diluted Mg(OH)2 solution With a pH of 8.12 . Answer with two decimals

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Q: Calculate the pH of a 1.00L solution containing 10.0mL of 5.0M acetic acid and 29.0mL of 0.3M sodium…

A: Acetic acid and sodium acetate form a buffer solution. The pH can be calculated using the…

Q: Morphine is an effective pain killer but is also highly addictive. Calculate the pH of a 0.155 M…

A: Morphine has molecular formula, C₁₇H₁₉NO₃  It acts in a similar way to ammonia i.e NH3 in base…

Q: What would the pH be at the equivalence point when hydrochloric acid is neutralized with lithium…

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Q: Butyric acid is responsible for the foul smell of rancid butter. The pKa of butyric acid is 4.84.…

A: Given, and its pKa is 4.84.

Q: What is the pH of a solution that is 0.80M benzoic acid and 0.20 M sodium benzoate ?  Ka HC6H5O2 =…

A: Record the given data, Concentration of benzoic acid is 0.80 M Concentration of sodium benzoate is…

Q: Uric acid, HC5H3N4O3, is a weak acid that can collect in the joints giving rise to a medical…

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Q: The average human contains 5.0 liters of blood having a pH of 7.35. Calculate the number of moles of…

A: Using formula of pH we can calculate no. Of moles of [H3O+].

Q: What is the K w of pure water at 70.0°C, if the pH is 6.650?     5.02 x 10 -14     1.00 x 10 -14…

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Q: 1. The acid dissociation constants for citric acid (H3C6H507) are Ka1=0.000745, Ka2=1.73x10-5, and…

A: Aqueous solution of Na2CHC6H5O7 will be basic in nature. Aqueous solution of NaHCO3 will be basic in…

Q: Acetic acid has a Ka equal to 1.75 x 10-5 (250C). Calculate the pH of a 2.8 M solution of acetic…

A: acetic acid is weak acid . CH3COOH ⇌ CH3COO- + H + Ka=  [ CH3COO - ] [H +]  / [ HA] Ka [ HA] =   […