Strychnine (in contaminated wine) may have been used to poison Alexander the Great.  Strychnine (C21H22N2O2) is a weak base and the Ka of its conjugate acid is 5.49 x 10–9.  What is the pH of a solution containing 0.01792 M strychinine?

Q: 2. The Ka of acetic acid is 1.80 × 10%. A. What is the pH of a 0.15 M solution of acetic acid? B.…

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Q: Calculate the pH of a 0.0095 M solution of acetic acid, HCH3CO2,  Given Ka= 1.76x10^-5

A: Acetic acid is a weak acid so it will dissociate very less in the solution. First of all a balanced…

Q: What is the pH of a 0.0270 M solution of hydrocyanic acid, HCN (Ka = 4.9 × 10⁻¹⁰)?

A: HCN is a weak acid , it ionizes  as follows  HCN <----> H+ + CN- Given , Concentration of HCN…

Q: 1) Calculate the pH (aq., 25 °C) of a 0.073 M Novocaine (C13H21O2N2CI) solution, which is the salt…

A: Solving only first question in accordance with guidelines. We will first draw ICE table and then…

Q: Phenylacetic acid (C6H5CH2COOH, simplified here to HPAc) builds up in the blood of persons with…

A: Given data: The pH of Phenylacetic acid = 2.62. The concentration of C6H5CH2COOH [C6H5CH2COOH] =…

Q: The pH of an aqueous solution of 0.559 M caffeine (a weak base with the formula C3H10N402) is

A: Given, Caffeine (C8H10N4O2) is a weak base. Concentration of Caffeine solution (C) = 0.559 M pH of…

Q: 3a.) The Ka of acetic acid is 1.8 x 105. Calculate the pH of the following solutions: a. A solution…

A: The solution mentioned here is a buffer as it is comprised of a weak acid and its salt. As per the…

Q: The pH of a 0.45 M solution of a weak acid, HA, is 2.13. What is the value of Ka for the weak acid?

A: Given data,pH=2.13Molarity of HA=0.45

Q: A newspaper reported that the level of acidity in a sample taken from an extensively studied…

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Q: the laboratory, a general chemistry student measured the pH of a 0.428 M aqueous solution of…

A: PH is  defined as the power of Hydrogen.it measure acidity, basicity or neutrality of aqueous…

Q: What is the pH of an aqueous solution of 1.45×10-2 M nitric acid?

A: Nitric acid i.e HNO3 is a strong acid. Hence it dissociates into ions completely as per the…

Q: What is the pH of a 0.0280 M solution of hydrocyanic acid, HCN (Ka = 4.9 × 10⁻¹⁰)?

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Q: Calculate the pH and percent ionization of 0.150 M ascorbic acid K31 = 7.9x 10-5 ascorbic acid,…

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Q: Calculate the pH and pOH of the following solutions (see Appendix 11 of your textbook for pKa…

A: "Since you have asked multiple questions and not mentioned the question number to be solved, we will…

Q: What is the pH of a 0.0650 M solution of hydrocyanic acid, HCN (Ka = 4.9 × 10⁻¹⁰)?

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Q: The pH of an aqueous solution of 0.486 M acetylsalicylic acid (aspirin), HC,H¬04, is

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Q: The acetate ion is the conjugate base of acetic acid. The Ka of acetic acid is 1.76×10–5 What is…

A: Given: The Ka (acid dissociation constant) value of acetic acid is 1.76 x 10-5 The molarity of…

Q: In the laboratory, a general chemistry student measured the pH of a 0.552 M aqueous solution of…

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Q: What is the pH of a 0.0620 M solution of hydrocyanic acid, HCN (Ka = 4.9 × 10¬1º)? %3D

A: Given data,Molarity of HCN=0.0620MKa=4.9×10-10

Q: When 2.0 x 10-2 mole of nicotinic acid (a monoprotic acid) is dissolved in 350. mL of water, the pH…

A: Nicotine is a weak monoprotic acid so it dissociated in less amount. So we can denotes it by HA .

Q: In the laboratory, a general chemistry student measured the pH of a 0.544M aqueous solution of…

A: Given :-  Initial concentration of aqueous solution of acetic acid = 0.544 M  pH of solution = 2.488…

Q: Calculate the pH of a 0.100 M CH 3NH 3CI solution. Kb for methylamine, CH 3NH 2, is 3.7 × 10 4.…

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Q: Ascorbic acid (vitamin C, C6H8O6) is a diprotic acid (Ka1 = 8.0×10–5 and Ka2 = 1.6×10–12). What is…

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Q: A hypothetical weak base has Kb = 5.0 × 10−8. Calculate the equilibrium concentrations of the base,…

A: Given: Kb for the weak base = 5.0 × 10-8  Concentration of the weak base = 0.15 M We have to…

Q: Calculate the pH of a 2.0 x 10–3 M solution of pyridine (C5H5N). Kb = 1.7 x 10–9

A: The Bronsted-Lowry acid-base theory was purposed by Bronsted and Lowery is called Bronsted-Lowry…

Q: Chemistry The label of an energy drink states that it contains approximately 80 mg of caffeine…

A: Molecular weight of caffeine = 8×12+10×1+4×14+2×16=194 g/mol Weight of caffeine = 80 mg = 80×10-3g…

Q: The acetate ion is the conjugate base of acetic acid. The Ka of acetic acid is 1.76×10–5. What is…

A: Sodium acetate is a salt of weak acid (CH3COOH) and strong base(NaOH).CH3COONa →  CH3COO- +…

Q: What is the pH of a 0.0370 M solution of hydrocyanic acid, HCN (Ka = 4.9 × 10⁻¹⁰)?

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Q: Calculate the pH of a solution prepared by dissolving 5.00 g of NaClO in 400.0 mL of water.

A: To calculate the pH value we must have the concentration in terms of molarity. Molarity is the…

Q: What is the pH of a 0.0270 M solution of hydrocyanic acid, HCN (Ka = 4.9 × 10¬1º)?

A: Here, hydrocyanic acid is weak acid as compared to mineral acids , thus when it ionized it will form…

Q: A 0.015M solution of cyanic acid has a pH of 2.67. Calculate the ionization constant, Ka, of the…

A: Given: Concentration of Cyanic acid(HCN) solution = 0.015 M pH = 2.67

Q: Ascorbic acid (vitamin C, C6H8O6) is a diprotic acid (Ka1 = 8.0×10–5 and Ka2 = 1.6×10–12). What is…

A: Solution -

Q: Calculate the acid ionization for Ka for propionic acid, HC3H5O2. The pH of a 0.012 M aqueous…

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

Q: Which of the following acids has the weakest conjugate base? A. pyruvic acid, Ka = 2.8 x 10 B.…

A: The conjugate base is weakest for strongest acid. Acid with high Ka and low pKa value will be…

Q: Given that methylamine, CH3NH2, has a Kb of 4.4 x 10-4, what is the pH of a 0.20 M aqueous solution…

A: For weak base CH3NH2 : [OH-] = Kb×C          = 4.4×10-4×0.20           = 9.38 x 10-3 M pOH = - log…

Q: NH3 is a weak base (?b=1.8×10−5Kb=1.8×10−5) and so the salt NH4Cl acts as a weak acid. What is the…

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Q: A 0.785M solution of the weak acid, hypoiodous acid, HOI, has a Ka of 2.32x10-11. What is the…

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Q: |Calculate the pH of a 7.2 × 10 ´ M aqueous solution of aluminum chloride, AIC13. The acid…

A: pH - pH is defined as negative logarithm to the base 10 of H+ ion concentration. Or pH can also be…

Q: a) A 0.10 Maqueous solution of propanoic acid, CH3CH2COOH, has a pH of 2.93. What is the value of…

A: Hi since you have posted multiple questions, we will answer the very first question. Kindly repost…

Q: The pH of an aqueous solution of 0.470 M methylamine (a weak base with the formula CH3NH2) is

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: The acetate ion is the conjugate base of acetic acid. The Ka of acetic acid is 1.76×10–5. What is…

A: Kb for the acetate ion is determined as follows,

Q: The pH of a 0.16 M solution of a weak acid, HA, is 2.85. What is the value of Ka for the weak acid?

A: The question is based on the dissociation of weak electrolyte. We  have been given a weak Acid which…

Q: Ascorbic acid, H2C6H6O6, is a diprotic acid with Ka1 = 7.9 * 10-5 and Ka2 = 1.6 * 10-12.  What is…

A: Dissociation constants of ascorbic acid  given are as follows: Ascorbic Acid dissociates as…

Q: Sodium ascorbate is the sodium salt of ascorbic acid (i.e. Vitamin C) and is used as an antioxidant…

A: We have to predict the pH of 0.15 M solution for ascorbate ion.

Q: what is the ph of 0.0349 M anilinium hydrochloride (C6H5NH3CI) solution in water, given that K for…

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Q: Calculate the pH of a 0.500 M solution of the amino acid, asparagine, that was prepared from the…

A: Asparagine is a non-essential amino acid which is used in the biosynthesis of proteins. It has the…

Q: A solution is prepared at 25 °C that is initially 0.29M in chloroacetic acid (HCH,CICO,), a weak…

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Q: Acetic acid (CH,COOH, Ka = 1.80 x 10-5) is a weak acid, so the salt sodium acetate (CH,COONA) acts…

A: In the given question we have to calculate the pH of 0.384 M sodium acetate. the given ka of acetic…

Q: Calculate the pH of a 27 mg/L solution of hydrocyanic acid (HCN). The pKa of hydrocyanic acid is…

A: Given: The concentration of hydrocyanic acid is 27 mg/L. The pKa of hydrocyanic acid is 9.3.

Q: Acetic acid (CH3COOH, ?a=1.80×10−5) is a weak acid, so the salt sodium acetate (CH3COONa) acts as a…

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