7. The pH of a 0.10 M solution of acetic acid (CH3COOH) is 2.39. What is the Ka of acetic acid?

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: A solution of 0.20 M hydrazoic acid has a pH of 3.21. What is the Ka of hydrazoic acid?

A: We have to calculate the Ka of acid.

Q: Carbon dioxide in the atmosphere dissolves in raindrops toproduce carbonic acid (H2CO3), causing the…

A: To find the range of [H+] and [OH-] in the raindrops can be given by- Since, Product of the both…

Q: What is the pH of 1.65e-3 M Ba(OH)2?

A: pH = 11.52  SOLUTION :-  14 = pH + pOH  pOH = - log [OH-]   1.65e-3 M Ba(OH)2  1 mol of Ba(OH)2…

Q: The pH of a 0.173 M solution of a weak acid, HB, is 2.53. What is Ka for the weak acid?

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Q: White vinegar has a pH of 2.4 while apple cider has a pH of about 4.25. What is the difference…

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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: What is the pH of a peach with a [-OH] = 3.2×10-11 M? What is the pOH?

A: p[OH-] = -log(3.2*10^-11)  = 10.494      (ans)

Q: CH3NH2 is a weak base (?b=5.0×10^−4), so the salt CH3NH3NO3 acts as a weak acid. What is the pH of a…

A: CH3NH3NO3 → NO3- + CH3NH3+ Kb for the above reaction is 5x10-4  CH3NH3 can donate a proton and…

Q: what is the ph of a solution that is 0.100 m in hydrofluoric acid? The Ka of hydrofluoric acid is…

A: Recall the following expression to find pH of the given solution of hydrofluoric acid. Given that…

Q: What is the pH of 3.78 *10^-2 M nitric acid in aqueous solution ?

A: Concentration of hydronium ion H3O+ present in the solution is known as the pH of the solution.

Q: (a) What is the pH of 0.65 M potassium formate, HCOOK? (b) What is the pH of 0.85 M NH4Br?

A: An acid is a substance that gives H+ ions in its solution whereas a basic substance gives OH- ions…

Q: 3. Normal rainwater has a pH near 6. In rainwater that falls close to a coal-burning power plant,…

A: Hydronium ion concentration is an important parameter of an aqueous solution. The concentration of…

Q: What is the pH of a solution that is 0.15 M NH4Cl and 0.35 M NH3?   The Ka of NH4Cl is 5.01 x…

A: In this question , we have to calculate the correct pH of given problem by the help of…

Q: What is the pH of a 0.17 M weak acid solution? The KA of the weak acid is 2.1 x 10-5.

A: Given :-  Initial concentration of weak acid = 0.17 M  Ka for acid = 2.1 × 10-5  To be calculated :-…

Q: The pH of a 0.152 M solution of a weak acid, HB, is 2.61. What is Ka for the weak acid?

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Q: The pH of a 2.642M solution of a weak acid, HB is 2.34, What is the Ka for the acid?

A: Given: The conc. of the weak acid solution = 2.642 M HB is a weak acid with a pH = 2.34 A weak acid…

Q: HClO is a weak acid (?a=4.0×10^−8) and so the salt NaClO acts as a weak base. What is the pH of a…

A: Given : Concentration of NaClO = 0.014 M Since NaClO is a weak conjugate base of weak acid HClO.…

Q: 2. If the [H'] in a certain tap-water sample is 2.6x107 M, what is the OH° concentration? Determine…

A: Answer 2 :  Given : [H+] = 2.6 × 10-7 M             [OH-] = ?             pH = ?

Q: The molarity of an aqueous solution of NaOH is 0.0022 M. (a) What is the concentration of H3O+ in…

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Q: A solution of acetic acid (Ka = 1.8 × 10‒5) has a pH of 2.65. What is the concentration of acetic…

A: Given information: Ka of acetic acid = 1.8 × 10‒5 pH is 2.65

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: what is the ph of 0.010 M solution of acetic acid? for the acetic acid is 1.8x10-5

A: Given information: Concentration of acetic acid is 0.010 M Ka for acetic acid is 1.8 x 10-5

Q: pH

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Q: What is the pH of a solution that has [OH–] of 5.15×10-3 M ?

A: Given, Concentration of hydroxide ion = 5.15×10-3 M

Q: What is the pH of a 0.010M solution of acetic acid? Ka for acetic acid is 1.8 x 10-5

A: Given :-  [CH3COOH] = 0.010 M  Ka = 1.8 × 10-5  To calculate :-  pH of solution     Ka is the ratio…

Q: What is the Ka of a weak acid whose 0.10 M solution produces a pH of 2.38?

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

Q: If the pH of a 0.55 M solution of acid is 5.4, what is the KA?

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Q: At 25°C, the pH of a vinegar solution is 2.60. What are the values of [H3O+] and [OH-] in the…

A: First, from given pH value, the concentration of [H3O+] ion in solution is calculated.

Q: 6. How many moles of benzoic acid (HC-HsO2) must be used to prepare 500. mL of a solution that has a…

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Q: The pH of 750 mL (3 SF) of an aqueous solution containing only NaNO 2 is 8.42. If HNO 2 has a Ka of…

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Q: The pH of a 0.220M solution of a weak acid, HB, is 2.51. What is Ka for the weak acid?

A: Given  PH of weak acid = 2.51  Concentration of weak acid ( c ) = 0.220 M  Ionization constant ( Ka…

Q: Why is the pH of water at 25oC equal to 7.00?

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Q: What is the Ka of hydrazoic acid if a 0.020 M hydrazoic acid aqueous solution has a pH of 3.22?

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Q: M CH3COOH?

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Q: (a) What is the pH of 0.65 M potassium formate, HCOOK?(b) What is the pH of 0.85 M NH₄Br?

A: pH is defined as the minus of the logarithm of hydrogen ion concentration([H+]). That is(i.e.),…

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: HCl is a strong acid that dissociates in water:HCl S H+ + Cl-. What is the pH of 0.01 M HCl?

A: Strong acids basically get ionized entirely into its ions and furnish identical amount of…

Q: (6)  Is the salt C2H5NH3Cl acidic, basic, or neutral?                            What is the pH of…

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Q: A 0.015 M solution of hydrogen cyanate, HOCN, has a pH of 2.67 (a) What is the hydronium ion…

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Q: What is the concentration of H+ in moles/L in a solution that has a pH of 8.35?

A: Given :- pH of solution = 8.35  To calculate :- concentration of H+ ion (mol/L)

Q: 8. What is the pH of a 0.20M solution of sodium acetate? The K, for acetic acid is 1.8 x 10-5 ?

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Q: Ka = 5.0 x 1010 for formic acid, CHOOH. Given a 0.20 mol/L of this acid solution, calculate the…

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Q: The pH of a 0.224 M solution of a weak acid, HB, is 2.63. What is Ka for the weak acid?

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Q: 3. What is the pH of a 0.0075 mol L-' HCl solution? What is [OH-] in this solution?

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