calcualate the pH of a 0.15 M solution of pyruvic acid ka of pyruvic acid is 4.1x10^-3

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

A: Answer: Given data: pH=2.62α=0.02C=0.12M

Q: Would an aqueous solution of the following salt be acidic, basic, or neutral in terms of pH?…

A: Acid is a substance that donated proton in water. Base is a substance that donates OH- in water.…

Q: Determine the Ka of a 0.10-M solution of hydrogen sulfate ion, HSO₄⁻, that is 1% ionized.

A: Ionisation of Hydrogen sulfate.

Q: The Ka, for propionic acid, HC3H5O2, is 1.30 x 10^ -5. What is the pH of a 0.0850 M propionic acid…

A: The dissociation reaction of propanoic acid is given by  HC3H5O2 -----> H+ + C3H5O2- hence Ka = […

Q: In the laboratory, a general chemistry student measured the pH of a 0.453 M aqueous solution of…

A: The dissociation of acetic acid is given as, CH3COOH↔CH3COO- + H+ By definition, the acid…

Q: The hydronium ion concentration of an aqueous solution of 0.558 M acetic acid (K, = 1.80x10) is M.…

A:

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

A: Given: Kb = 1.8 × 10-5              Concentration of solution = 0.056 M             Temperature = 25…

Q: The pH of a 0.0833 M ethanoic acid (Ka=1.8x10-5) solution is

A:

Q: HCN is a weak acid (Ka=6.20×10−10), so the salt, KCN , acts as a weak base. What is the pH of a…

A: Ka = 6.20×10-10 pKa = -log(Ka)    = -log(6.2×10-10 = 9.21  Concentration(C) of salt =0.0750 M

Q: NH3 is a weak base (Kb=1.8×10−5 M), so the salt NH4Cl acts as a weak acid. What is the pH of a…

A: The ionization of NH4Cl as follows,

Q: A tablet containing 500 mg of aspirin was dissolved in enough water to make 100 mL of solution.…

A: Given, Mass of aspirin, C9H8O4 = 500 mg = 0.500 g     (1 mg = 0.001 g) Volume of solution = 100 mL =…

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 0.185 M solution of a weak acid (HA) has a pH of 2.95. Calculate the acid ionization constant (Ka)…

A: Given:

Q: If a buffer solution is 0.300 M in a weak acid -5, (K = 2.6 x 10) and 0.470 M in its conjugate base,…

A: The Henderson-Hasselbalch equation is given as,

Q: If the Ka of a monoprotic weak acid is 5.8 x 10-6, what is the pH of a 0.12 M solution of this acid?

A: Negative logarithm of Concentration of [H+] ion present in the solution is known as pH of the…

Q: What is the pH of a 2.50 molar solution of NaCN(aq)? The KA for HCN = 6.2 × 10^ -10

A: Since the NaCN salt is completely soluble in water Hence we can say concentration of NaCN =…

Q: The pH of a (1.7300x10^-1) molar solution of an aqueous weak acid (HA) is (1.99x10^0). The Ka for…

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

Q: The acid-dissociation constant (Ka) of hydrocyanic acid (HCN) at 25.0°C is 4.9 × 10-10. What is the…

A: NaCN    →     Na+   +    CN- CN-    +     H2O    ⇔     HCN   +     H3O+ The data given are- Ka of…

Q: calculate the pH of the equivalence pount concentraton of N2OH solution = oil mollL Mean tire (NoOH…

A: Aspirin is a weak acid. It is reacting with a strong base NaOH. So, the equivalence point will be…

Q: The pH of a 0.6 M aqueous solution of formic acid, HCHO2, at 25.0 °C is 1.7. What is the value of Ka…

A: Given that,  pH of formic acid = 1.7 Concentration of formic acid = 0.6M

Q: What is the pH of a 0.380 M solution of NACN (Ka of HCN is 4.9 x 1010)?

A:

Q: Calculate the pH of a 0.50 M solution of sodium cyanide (NaCN). The K, of HCN is 4.9 x 10 10.

A: A strong base and weak acid react to form salt and water. The salt will be basic in nature and the…

Q: The value of K, for phenol (a weak acid) is 1.00×10-10. What is the value of Kp, for its conjugate…

A:

Q: What is the pH of a solution containing 6.65 g sodium acetate (NaC2H302, 82.03 g/mol) in 100.0 mL of…

A:

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

A:

Q: The substance benzoic acid (C6H5COOH) is a weak acid (K₂ = 6.3x10-5). What is the pH of a 0.230 M…

A:

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: 500

A: Dear student I have given answer to your question in the image format.

Q: HCN is a weak acid (Ka=6.20×10−10) , so the salt, KCN , acts as a weak base. What is the pH of a…

A: Weak acid are those acid which does not dissociate completely in aqueous solution and weak base are…

Q: What is the pH of a solution that is 0.34 M KOCN and 0.14 M HOCN (cyanic acid)?

A:

Q: The Ka of a weak monoprotic acid is 1.85 x 10-5. What is the pH of a 0.0761 M solution of this acid?

A: First, we have calculated the concentration of [H+] with the help of Ka and the concentration of the…

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: Calculate the pH of a 0.05 M solution of hydrofluoric acid. The Ka of hydrofluoric acid is 6.6x10^-4

A: Given data, Molarity of HF=0.05MKa of HF=6.6×10-4 pH of a solution is given by -log[H+]

Q: The pH of a 0.5 M aqueous solution of formic acid, HCHO2, at 25.0 °C is 2.0. What is the value of Ka…

A: pH tells us about the acidic or alkaline values of a solution. Dissociation of a weak acid depends…

Q: The Ka for niacin is 1.5 x 10-5. Whatis the pH of a 0.010 M solution of niacin?

A: The dissociation reaction of niacin is as shown below Hence we can see that 1 molar concentration…

Q: If the Ka of a monoprotic weak acid is 6.6x10-6, what is the pH of a 0.32 M solution of this acid?

A: Ka = 6.6 x 10-6 c = 0.32 M

Q: The Ka for cyanic acid HOCN is 3.5 x 10-4. What is the pH of a 0.37 M solution of the acid? What is…

A:

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

A:

Q: The hydroxide ion concentration of an aqueous solution of 0.325 M phenol (a weak acid) , C6H5OH, is…

A:

Q: A 0.861 M solution of a weak base has a pH of 11.80. What is the base hydrolysis constant, K, for…

A: Hydrolysis constant Kb can be calculated by the following way .

Q: The pH of a 0.55 M aqueous solution of hypobromous acid, HBrO, at 25oC is 4.48. What is the value of…

A: The concentration of HBrO solution = 0.55 M. pH of aqueous HBrO solution = 4.48.

Q: 5 g of cyanoacetic acid, CH2CNCOOH in a liter of aqueous solution has a pH of 1.89. what is the…

A: SOLUTION Acid Dissociation Constant  It is an equilibrium constant of 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: Determine the pH of a solution of a weak acid (HA) that is 0.0072 M. The Ka of the weak acid is 1.9…

A: Given ,  Weak acid is HA Concentration of weak acid (C) = 0.0072 M Dissociation constant (Ka) of the…

Q: The Ka of a weak monoprotic acid is 1.13 x 10-5. What is the pH of a 0.0777 M solution of this acid?…

A:

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: at 25 degrees celcous, the Ka of HCO2H is 1.77 x 10^-4. What is the Delta G naught in kj/mol for…

A: Given : Ka of HCO2H = 1.77 X 10-4  And temperature = 25 oC

Q: The hydroxide ion concentration of an aqueous solution of 0.429 N acetylsalicylic acid (aspirin),…

A:

Q: Lithium dihydrogen borate (LIH2BO3) is the lithium salt of the conjugate base of boric acid. The Ka…

A: Given that -  Ka for Boric acid, H3BO3 = 5.8×10-10    Then, from following formula -  Ka . Kb = Kw =…

Q: What is the pH of a 1.00 molar solution of NaCN(aq)? The Ka for HCN = 6.2 × 10–10 .

A: Given information: Concentration of NaCN solution = 1.00 m The pH of a 1.00 molar solution of NaCN…