Lactic acid (HC3H5O3) has one acidic hydrogen. A 0.10 M solution of lactic acid has a pH of 2.44. Calculate the Ka of lactic acid.

Q: Calculate the pH of water at 25°C and 75°C. The values for pKw at these temperatures are 13.99 and…

A: Pure water has an equal concentration of hydrogen ions and hydroxyl ions. The dissociation of water…

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: Calculate the pH of a 2.44 M HCIO3 solution. Ka for this acid is 1.5x10³. HCIO3 is a weak acid.

A:

Q: A 0.17 M solution of a weak acid has a pH of 2.85. What is the ka of the weak acid?

A: Given: concentration of weak acid=0.17M              pH of weak acid=2.85 To calculate: Ka of weak…

Q: Calculate the pH of a 0.10 M HCOOH solution. Ka of HCOOH is 1.8 X 10-4.

A: pH is defined as the negative logarithm of hydrogen ion concentration present in the solution.…

Q: Heavy metal azides, which are salts of hydrazoic acid, HN3, are used as explosive detonators. A…

A: Since hydrazoic acid is a weak acid. Hence the dissociation reaction of hydrazoic acid is HN3…

Q: The pH of a 0.15-M solution of HSO4− is 1.43. Determine Ka for HSO4− from these data.

A: Given, initial concentration of HSO4− = 0.15 M            pH = 1.43 We know that, pH is the negative…

Q: A 0.120 M solution of a weak acid (HA) has a pH of 3.29.  a) Calculate the acid ionization constant…

A: Given,Concentration of a solution of weak acid, HA = 0.120 MpH of the solution = 3.29The…

Q: 2. Barbituric acid, HC,H,N,O, a weak organic acid used to manufacture hypnotic drugs and some…

A: Here the concentration of barbituric acid is 0.25M and Ka of barbituric acid is 9.8×10^-5. We have…

Q: A solution of a weak acid has a concentration of 0.64 M and is found to have a pH of 3.77. What is…

A: The dissociation of a weak acid can be depicted as follows.           HA   +H2O ⇔    A-  +  H3O+I…

Q: Nitrous Acid (HNO2) has a Ka value of 5.6x10–4. Calculate the pH of a solution that is 0.00298 M…

A: pH = -log[H+] For a weak acid solution: [H+] = (Ka x C)1/2 Where, C = molarity of acid

Q: In the reaction: BCI3 + NH3 The Lewis acid is: (c) B-NH3 1. O cr O H,O O H O NH3 BCly

A: A Lewis acid is a chemical species which has an empty orbital in which it is able to accept…

Q: Identify the conjugate acid for each base. conjugate acid of HSO,: conjugate acid of PO : conjugate…

A:

Q: What is the pH of a 0.82 M HClO, hypochlorous acid solution, which has a Ka of 3.2 × 10–8 at 25°C?

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Q: Allylamine, C3 H; NH2, is a weak base. A 0.29 M aqueous solution of allylamine has a pH of 12.00.…

A:

Q: The pH of an aqueous acid solution is 6.15 at 25 ° C. Calculate the Ka for the acid. The initial…

A: The equilibrium constant for acid dissociation is denoted as Ka. It represents the ratio of the…

Q: Calculate the pH of a 3.12×10-3 M  solution of NaF, given that the Ka of HF = 6.80 x 10-4 at 25°C.

A:

Q: A 0.037 M solution of a weak acid (HA) has a pH of 4.34. What is the Ka of the acid?

A:

Q: Define concept of Acid Strength and pKa ?

A: Acid strength means the tendency of acid to dissociate into H+ and anion. The dissociation of strong…

Q: What is the pH in a 0.0320 M aqueous solution of formic acid (HCOOH)? (For HCOOH, Ka=1.8 x 10–4)

A: HCOOH is a weak organic acid. It dissociates into formate ions and hydrogen ions. The ICE table for…

Q: Calculate the pH of milk of magnesia whih has a [ OH- ] of 1.0 x 10-4 M.

A: [OH-] = 1.0 × 10-4 M  pH = ?

Q: A 0.12 M solution of hypoiodous acid has a pH of 5.71. Calculate the acid-dissociation constant (Ka)…

A: Solution:- Reaction:-  HIO (aq) + H2O (l) → H3O+ (aq) + IO- (aq) Concentration of HIO = 0.12 M pH =…

Q: When lithium oxide 1Li2O2 is dissolved in water, the solution turns basic from the reaction of the…

A: Acid base theory- Acids and bases have their own importance in chemistry. Acids and bases are…

Q: the pH of an acid solution is 3.59. If the concentration of the acid in the solution is 0.200 mol/L,…

A: Given Concentration of the acid=0.2 mol/LpH of the acid solution=3.59Ka of thel acid=??

Q: Calculate the pH of a solution prepared by dissolving 0.37 mol of formic acid (HCO2H) and 0.23 mol…

A: Given, moles of formic acid = 0.37 mol  moles of Sodium formate = 0.23 mol  Volume = 1 liter As we…

Q: Calculate the pH NaOH to 2.0 L o

A:

Q: Trichloroacetic acid (CCl3COOH) is a corrosive acid that is used to precipitate proteins. The pH of…

A: Given information: Concentration of HClO4 solution = 0.040 M Concentration of CCl3COOH solution =…

Q: If the pH of a 1.00 in. rainfall over 1700 miles^2 is 3.40, how many kilograms of sulfuric acid,…

A: Height of rainfall = 1.00 inch = 0.0254 m Area of rainfall = 1700 miles² 1 mile² = 2.59×10⁶ m²…

Q: Consider the concept of acid strength based upon molecular structure and select the weakest acid.…

A: There are two types of bases/acids. One is strong base/acid which is completely dissociable in into…

Q: A 0.115 M solution of a weak acid (HA) has a pH of 3.29. Calculate the acid ionization constant (Ka)…

A: The concentration of HA = 0.115 M pH = 3.29 pH = 3.29H3O+ =10-pH=10-3.29=0.000513 M

Q: Calculate the pH of 0.0500 M aqueous solution of Methylamine.

A: Concentration of a solution can be measured in terms of molarity, molality and normality.

Q: Write the products of the following acid-base reaction. CH3OH NaNH2 ?

A: The reactants given are  1) CH3OH  2) NaNH2

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

A:

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

A:

Q: What is the pH of the following solution? Hydrogen sulphide is a weak acid and has a pka of 8.9 x…

A: Please be noted that the value given for H2S is Ka not pKa. Therefore, pKa(H2S)=8.9×10-8.

Q: Calculate the [H+] and pH of a 2.35×10−4 M hydrazoic acid solution. The Ka of hydrazoic acid is…

A: We wil use concept of weak acid for H+ and pH.

Q: What is the pH of a 0.050 M solution of formic acid?

A:

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

A:

Q: Arsenic acid, H3AsO4, is used industrially to manufacture insecticides. Arsenic acid is a polyprotic…

A: Given, Arsenic acid is a polyprotic acid with Ka1 = 2.5 × 10–4 Arsenic acid is a polyprotic acid…

Q: ASA (also known as Aspirin) contains acetylsalicylic acid, C16H12O6. Acetylsalicylic acid is a weak…

A: 0.015 mol/L acetylsalicylic acid has a Ka of 3.3 × 10-11.We have to calculate the pH and pOH at…

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: Which of the following is a weak acid? O H2SO4 O NH3 О Ba(ОН)2 Ο HI Ο ΗΝΟ,

A: We have to predict the weakest acid.

Q: Calculate the Ka of a weak acid if a 0.19-M aqueous solution of the acid has a pH of 4.52 at 25⁰C.

A: pH = 4.52 Concentration of aqueous solution = 0.19 M Ka = ?

Q: Calculate the pH and pOH for the following: a. 10mg of cyanic acid (pKa=9.21) in 1L of water

A:

Q: Formic acid, HCOOH, has Ka= 1.8 x 10–4. Calculate the molar concentration of H3O+ in 0.15 M HCOOH…

A: using given value of ka and concentration  use equaction- H+=cα α=kaC use this boh calculate the…

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

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: In the given equation: HCOOH (aq) + H2O (l) ↔ H3O+ (aq) + HCOO– (aq), the initial concentration of…

A:

Q: If the pH of a 1.00-in. rainfall over 1800 miles^2 is 3.90, how many kilograms of sulfuric acid,…

A: Given: pH = 3.90Area= 1800 miles2Ka2 = 0.012.