Which of the following acids has the weakest conjugate base? A. pyruvic acid, Ka = 2.8 x 10 B. malonic acid, pKa = 2.85 C. ascorbic acid, pka = 4.1 O D. benzoic acid, Ka = 6.31 x 10

Q: The pH of a 0.0100 M ethanoic acid (Ka=1.8x10-5) solution is   2.0   4.6   6.7   3.4   I got 2.7?

A: Given Concentration of ethanoic acid (CH3COOH) = 0.01 M Ka = 1.8×10-5

Q: The weak acid, HA, has a Ka of 3.00 x 10-8. What is the Kb of its conjugate base, A"? 1.39x10-12 O…

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Q: How many moles of HA would need to be added to 481 mL of 0.816 M NaA to produce a solution with a pH…

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Q: What is the pH if the Kb for NH3 is 1.8x10-5?

A: pOH +pH = 14   So,  pH = 14 - pOH Initially we find the pOH with the help of Henderson-Hasselbalch…

Q: Using the data table write th formula of the conjugate base that has the weakest base?    Acid…

A: Bronsted-Lowry acid-base theory: According to the Bronsted-Lowry acid-base theory, acid is a…

Q: Phenylacetic acid (C6H5CH2CO2H) is a weak monoprotic acid with Ka = 4.90 × 10-5. What is the pH of a…

A: Given :-  initial concentration of phenylacetic acid = 9.21 × 10-1 M or 0.921 M  ka = 4.90 × 10-5…

Q: If I’ve got 20.0 grams of tartaric acid with a (first ionization) pKa = 2.91. If I dissolve this…

A: The formula of tartaric acid is C4H6O6. Molar mass of C4H6O6 = Atomic mass of C X 4 + Atomic mass of…

Q: Butyric acid  ( C3H7COOH) is a weak acid . What is the pH of a 0.0250 M solution of this acid. Ka =…

A: For weak acids, ions dissociation is very small that results in small H+ ions amount. Their…

Q: 5,Calculate the [OH-]of the solution with pH=10.50 Group of answer choices 1.05 x 10-10 5.0 x…

A: According to guidelines i can answer only first question, please repost the other one.

Q: What is the resulting pH of a solution at 298 K made by mixing 50.0 mL of 0.355 M HCl and 25.0 mL of…

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Q: Which of the following acids have the strongest conjugate base? a) Boric Acid (Ka = 5.8 x 10-10)…

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Q: Using the data in the table, which of the conjugate acids below is the weakest acid? Base Kp CI0-…

A: Kb is the base dissociation constant. pKb is the measure of basicity. Lower the value of pKb, strong…

Q: Kb

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Q: 2. Oleic acid (which can be denoted as HOL), is a weak acid. Considering its sodium salt, sodium…

A: Answer: 5.02

Q: The [OH-] = 1.3 x 10-° M for a 0.025 M solution of a weak base. Calculate the value of Kb for this…

A: Consider reaction for the weak base is as follows; Reaction:      BOH aq        +        H2Ol…

Q: Which of the following acids has the strongest conjugate base? The pKa value for each acid is given…

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Q: what is the Ka value

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Q: Given that the Ka of a monoprotic acid HA is 3.20 x 10-7 , and the acid HA concentration is 0.751 M,…

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Q: What is the calculated pH of the initial 0.100M Acetic Acid solution?  Ka = 1.8 x 10-5 .  Give your…

A: The dissociation reaction of acetic acid is given below: CH3COOH(aq) + H2O(aq) ⇌ CH3COO-(aq) +…

Q: Calculate the pH of 0.7 M of Aniline solution CeHgNH2 CeHgNH2 + H20 CeHgNH3 + OH K for Aniline = 4…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: True or False. Write TRUE if the statement is correct and FALSE if it is incorrect. ___________1.…

A: 1. False,  higher the pH, lower is the acidity  2. True 3. True

Q: Ammonia is a weak base (Kb = 1.8 x 10-5). What is the pH of 1.2 M ammonia? 2.33 4.74 9.26 10.14…

A: Given, Concentration of the ammonia (C) = 1.2 M Kb  for Ammonia (NH3) = 1.8 × 10-5 Note: Ammonia…

Q: If a 0.8M solution of weak acid, HA, has a pH = 2.8, calculate the Ka of the acid.

A: The pH of a solution denotes the -ve logarithm of hydronium ion concentration in moles per liter.…

Q: What is the pH of a solution containing 0.0707 M of a weak acid, HA (pKa = 4.19) and 0.031 M of its…

A: Given equilibrium equation is,                            HA   ⇌   H+  +  A-…

Q: What is Kb for the conjugate base of HCN (Ka = 4.9 × 10⁻¹⁰)?

A: We have given that  What is Kb for the conjugate base of HCN (Ka = 4.9 × 10⁻¹⁰)?  Acid : Acid is…

Q: The Ka of formic acid (HCHO) is 1.8 x 10^-4. Calculate the pH with 0.15 M formic acid.

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Q: Determine the pH of a solution made of 0.0082M H3PO4 and 0.0046M Na2HPO4. (Ka of H3PO4 = 7.11 x…

A: Balance chemical equation:                                   H3PO4 + Na2HPO4  ----->   2NaH2PO4…

Q: 1. The structure of pyruvic acid is shown below: Draw the acid dissociation equilibrium reaction…

A: Given :  Ka of acid = 3.16 x 10-3  Concentration of solution = 0.3 M

Q: Determine the pka of an acid whose concentration is 0.100M and pH is 2.86.

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Q: A solution of 2.5 M weak acid is 1.52% ionized. What is the Ka value of ?this acid 3.6 x 10-4 3.2 x…

A: Assuming that the weak acid is monoprotic acid i.e HA. Given : Concentration of weak HA = 2.5 M And…

Q: How many grams of NaOH (MW=40.0 g/mole) do you need to add to 50.0 ml of a 0.2 M weak acid HA…

A: Given data contains, Concentration of HA is 0.2 M. Volume is 50.0 mL. Ka is 4×10-6. The moles of HA…

Q: If the Ka of a weak acid is 1.6 x 10-8, the Kb of its conjugate base partner must be which of the…

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Q: A1.12 M solution of a weak acid has a pH of 2.73. What is the pKa of the acid? Report your answer to…

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Q: A weak acid has KA = 1.59 x 10-8. What is the pKB of its conjugate base?

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Q: What is the pH of 0.075 M methylammonium bromide, CH3NH3Br?  (Kb of CH3NH2 = 4.4 × 10−4.)

A: The value of Kb for the given weak base methylammonium bromide is = 4.4x10-4 The concentration of…

Q: Ascorbic acid (vitamin C, C6H8O6) is a cliprotic acid (Ka1= 6.8 x 10-5 and Ka2 = 2.7 x 10-12). What…

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Q: 1.58 x10-M b) Ca(OH)2 Calculate pH of 0.1 M solution of a weak base with Kb = 1.65 x10-7 %3D P=3.89

A: Weak base is taken as B.An ICE table is constructed to determine the equilibrium concentration of…

Q: You have a solution of 100 mM sodium acetate (pH 4.50). The pka of acetic acid is 4.76. What is the…

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Q: Which of the following solutions would be expected to have a pH of 7.00? Weak Ka Kb Base < 10-10…

A: When a salt is formed by reaction of strong acid and strong base , then the salt is neutral salt and…

Q: Calculate the pH of a 0.50 M tartaric acid solution (pK₁1 = 2.89; pK₂2 = 4.40). Express your answer…

A: Given data :  1. Concentration (c) = 0.50 M  2. pKa1 = 2.89  3. pKa2 = 4.40  To calculate : pH

Q: pH of a 0.35 M aqueous solution of sodium formate

A: Given that , Ka for formic acid = 1.8×10-4 pH of 0.35 M aqueous solution of sodium formate (NaHCO2)…

Q: Be sure to answer all parts. A 0.031 M solution of a weak acid (HA) has a pH of 4.80. What is the K…

A: Acid dissociation constant for 0.031M acid solution of pH 4.80 is determined as

Q: Predict the acid that has the smallest pK,. O They have the same relative acid strength O HCIO O…

A: The right answer is HClO3.

Q: 7. Aniline (C6H5NH2) has a Kb of 3.8 x 10-10. What is the pH of a 0.150 M aniline solution? (a) 5.12…

A: Given,Concentration od aniiline  = 0.150M.Kb of aniline = 3.8*10-10.

Q: what is the ph of a solution that is 0.75 M in sodium acetate and 0.50 M in acetic acid? (Ka for…

A: Given : concentration of acetic acid = 0.50 M concentration of sodium acetate = 0.75 M and Ka of…

Q: What is the pH of a solution of 0.20 M HNO2 containing 0.10 M NaNO2 at 25 °C. The Ka of HNO2 is 4.5…

A: pH of a solution tells about the nature of the solution whether it is acidic or basic. The values on…

Q: An unknown weak base with a concentration of 0.170 M has a pH of 9.28. What is the Kb of this base?

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Q: What is the pH of a solution that is 0.250 M formic acid and 1.75 M sodium formate? Ka= 1.8x104 A…

A: Given- Concentration of formic acid= 0.250M Concentration of sodium format =1.75 M  Ka=1.8×10^-4

Q: HA is a weak acid for which Ka = 8.18 × 10–10. Calculate the concentrations of all species in a…

A: We will use concept of weak acid to calculate all these terms.

Q: A weak monobasic acid is half neutralized by a strong base. If the pH of the solution is 5. 4, its…

A: The question is based on the concept of titrations. we are titrating a weak acid and a  strong base.…

Ionic Equilibrium

Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.

Arrhenius Acid

Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red. 

Bronsted Lowry Base In Inorganic Chemistry

Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.