5. Formic acid is an organic acid, found in the venom of ants and bees. The diagram shows a molecule of formic acid dissociating in water. || H H H H. H H H. a) Determine the dissociation constant of a 0.100 mol L-' formic acid solution that has a pH of 2.38. b) Use the dissociation constant calculated in part (a) to identify the strength of this acid.

Q: 4. Calculate the pH of a solution prepared by mixing 15.0 mL of 0.10 M NaOH and 30.0 mL of 0.10 M…

A:

Q: Each row of the table below describes an aqueous solution at abo Complete the table. That is, fill…

A:

Q: • If the Ka 's of two weak acids differ by a factor of several hundred, the stronger acid will…

A:

Q: A 0.18-M solution of a weak acid is 2.4% dissociated. Calculate K.. K.

A:

Q: Which acid is the strongest when dissolved in water? K, values are listed next to the acid. Select…

A: According to Arrhenius concept,An acid is a substance i.e. when dissolved in water gives H+ ions .…

Q: Phosphoric acid is often added to colas to give them the tart flavor people like. RC Cola® has a pH…

A: Answer is

Q: What are two primary standards that can be used to standardize base solutions other than KHP and…

A: Primary standards are reagents that are used for determining the concentration of the unknown.…

Q: What is the volume of 0.20 M NaOH that would be needed to reach the equivalence point with 30.0 mL…

A: Equivalence point is defined as the point at which the amount of titrant is added to the analyte…

Q: What is the pH of a saturated solution of Fe(OH),? K,, -4.87×10 17 Be sure your answer has the…

A:

Q: Given 0.10 M NaCn with a Ka value of HCN at 6.2 x 10-10 What is its pH?

A:

Q: An aqueous solution of hypochlorous acid is used a disinfectant in many sanitizing sprays and…

A: The dissociation constant of HOCl is found to be…

Q: 8. A 1.000 L buffer solution contains 0.250 mol/L. NH, and 0.250 mol/L. NH, CL K=1.8x10 Determine…

A: We have to calculate the pH

Q: Determine the pH of a solution that is 0.075 M (CH3):N and 0.10 M (CH.) NHCI. The value of Kb for…

A: BUFFER SOLUTION A buffer solution is a mixture of a weak acid and its conjugate base or a weak base…

Q: How do i calculate the volume of NaOH standard solution needed to completely react with the acetic…

A: acetic acid is weak acid so degree of dissociation is weak  using the equation

Q: Which of the following species cannot act as a Lewis base? A) NH- B) CH4 C) NH3 D) H2S E) S2-…

A:

Q: If [NaOH]= 0.0930M and it was determined that it took 18.5mL of NaOH to reach the equivalence point…

A: Given,

Q: Identify each of the following substances as a strong acid, a weak acid, a strong base, a weak base,…

A:

Q: Consider the weak base, hydroxylamine (HO-NH2), whose K is 1.1 x 10-8. a. Write the equation for the…

A: a ) Hydroxyl amine is a weak base , so it gain H+ from water to give hydroxide ion.  b ) Kb is the…

Q: Calculate the degree of ionization of 0.75 M HF (hydrofluoric acid); the same solution that is also…

A: Calculate the degree of ionization of 0.75 M HF: An ICE table is constructed for the dissociation of…

Q: Q1- SOLVE mathematically, then choose the correct answers: (42 marks) 1- Calculate the pH of…

A: Given,  Volume of CH3COOH = 100 mL Molarity of CH3COOH = 0.28 M = 0.28 mol/L  Volume of NaOH = 50 mL…

Q: 2,2-Dimethylpropanoic (or pivalic) is a weak organic acid that has a pungent odour. It's ester with…

A:

Q: A0.1000 M solution of a weak acid, HA, is 3.0% dissociated. Determine the value of Ka for the weak…

A: when electrolyte are dissociate into its ion then the value of equilibrium constant is known as…

Q: Formic acid is classified as a weak acid with a Ka of 1.7 x 10-4 given by the following equilibrium:…

A: There are several theories to  define the compound as acid.One such theory is the Arrhenius…

Q: Order the following 1 M aqueous solutions according to increasing pH, lowest to highest: NaCl,…

A:

Q: The [H+] = 1.1 x 10-3 M for the NaF / HF solution in the previous step. What is the pH of the…

A:

Q: d. Write out the equilibrium equation formed at the equivalence point. e. Complete an ICE box using…

A: Solutions- Given data- 0.300 M NaOH solution, 35.0 ml of 0.450 M CH3COOH solution, Acid dissociation…

Q: The AIDS drug zalcitabine (C₁0H₁2NO4N) is a weak base and has a Kb of 1.58x10-10, One normal adult…

A:

Q: A student dissolves a sample of a weak acid, HA, in 20.0 ml of H;O. The student then takes 5.6 mL of…

A: Given, Volume of water = 20.0 mL Volume of sample = 5.0 mL pH of final solution = 4.5

Q: 16. A 100.0 mL solution of 0.15 M acetic acid is tiated sing 0.20 M potassile hydroxide. Let's…

A: The objective of this question is to calculate the pH at the endpoint of a titration between acetic…

Q: In a 0.12 M solution of a weak monoprotic acid, HY, the acid is 5.0% ionized. Prepare the accurate…

A: Ionisation constant for weak acid is given as follows Ka = [H+][Y-] / [HY] [H+]= Concentration of H+…

Q: A scientist mixes 0.02 g of a strong monoprotic base in 83 ml of water and obtains a pH of 12. He…

A: mass of strong monoprotic base = 0.02 g  Volume of strong monoprotic base = 83 ml  pH = 12

Q: calculate the pH of a solution formed by mixing 0.172 L of 1.77 M NH4Cl with 0.5323 L of 2.61 M NH3.…

A:

Q: A solution is made from 0.39 M HF and 0.31 M NaF. What is the pH of the K, for HF is 6.8x10 4?…

A: Given data, here HF is a weak acid and NaF is a salt. Concentration of HF ,[HF]=0.39 M Concentration…

Q: Entropy Question 3 Which has the smallest S and why? 1. Ca(NO3), (aq) + 2 KOH (aq) → 2 KNO, (aq) +…

A: According to the answering guidelines, I'm posting the solution for the first question. Kindly post…

Q: CHM 131A Lab 12-2021SP 1. HCl is a strong acid, which means that it dissociates completely in water.…

A:

Q: KHP(aq) + NaOH(aq) -> H2O (l) + KNaP(aq) 1. If we forgot to add the phenolphthalein indicator, why…

A: 1. If we forgot to add the phenolphthalein indicator, we will be unable to determine the NaOH…