Given the following values of pKa, determine which is the weakest base of the answers listed. Acid pKa HCIO2 1.95 HCIO 7.54 HCOOH 3.74 HF 3.17 HNO2 3.15 а. НСООН b. HCIO c. HF d. HCIO2 e. ΗNO

Q: A 5.0M solution of acetic acid (pKa=4.75) has a pH of 6.75. The ratio of acid to conjugate base is?

A: The pH of a buffer is calculated by Henderson-Hasselbach equation. pH=pKa+log[conjugate…

Q: Which of the following acids would be the weakest?     HClO (Ka = 3.0 × 10-8) HNO2 (Ka = 4.5 ×…

A: We have to predict the weakest acid.

Q: A base has... O a large Ka value O a small Kb value O a large Kb value a pH below 7 O a pH above 7

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Q: Use the References to access important values if needed for this question. Complete the following…

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Q: If the pKa of HCN is 9.21 and the pH of an HCN/NACN solution is 9.23, then a) [HCN]>[CN-]…

A: pH = 9.21 pKa = 9.23

Q: Fill in the blanks: HA has a pka of 15, while HB has a pka of 5. The stronger acid is The stronger…

A: Please find your solution below : pKa shows the strength of and acid. It represents how strong or…

Q: Use the following table to predict the best acid / base pair for the desired pH/pOH value: pH = 7.15…

A: Given : To predict the best acid/ base pair for the desired pH value of 7.15.

Q: Select the weakest acid from amongst the set below. Assume the same concentration in aqueous…

A: Sice it has lowest value of Ka1 and Ka2 so that we can say that it is the weakest acid

Q: Calculate Kh using the equations, whichever is applicable. (If the ion is conjugate acid of a weak…

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Q: Use the following table to predict the best acid / base pair for the desired pH/pOH value: pH =…

A: Given : To predict the best acid/ base pair for the desired pH value of 10.31.

Q: identify whether each species functions as a Bronsted - lowary acid of Brensted Lowary base in net…

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Q: When ammonium (NH4+) is placed in water, a chemical reaction occurs and an equilibrium is…

A: By applying the Henderson Hasselbalch equation, we can predict the predominant form.

Q: [H3O+] 3.2X10-7 6.9 x 10-8+ Inf0% 8.7 x 10-7 [OH-] 2.4 x 10-¹0 pH 1.7 7.16 6.06 11.1 Acidic, basic…

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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: Which one of the following is the weakest acid? O HF (Ka = 6.8 × 10-4) HCIO (Ka = 3.0 x 10-8) O HNO2…

A: Lower the value of acid dissociation constant (Ka), lower the concentration of H+ ions.  Hence, we…

Q: 22) Penicillin G (shown below) has two amide functional groups. One of the amide nitrogens is much…

A: A substance is called Lewis base if it has availability of free lone pair of electrons to donate.  N…

Q: pH Table Substance pH A 11.3 B 2.3 C 9.4 D 7.4 E 3.0 1. Which substance is more basic? 2. Which…

A: Dear student ,   since you have posted multiple parts questions we will allow to solve only first…

Q: What is the pH of a solution containing 0.39 M of a monoprotic weak acid and 0.31 M of its conjugate…

A: Buffer solution: The buffer solution is an aqueous solution consisting of a mixture of a weak acid…

Q: The Ka of a weak acid is shown below. The Kb of its conjugate base partner must be which of the…

A: The value of Ka is given as 1.6 × 10-8 We know the relation between Ka and Kb for a weak acid is :…

Q: Use the following table to predict the best acid / base pair for the desired pH/pOH value: pH = 7.15…

A: Dihydrogen phosphate H2PO4- HPO42- 7.21

Q: A 0.10 M solution of a base has pH 5 9.28. Find Kb.

A: The base dissociation constant, Kb represents the dissociation of base in water. When the value of…

Q: The weakest base below is   1.2 M Sr(OH)2   0.012 M LiOH   1.2 M CH3NH2   0.012 M Ba(OH)2

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Q: HA has a pka of 15, while HB has a pka of 5. The stronger acid is The stronger conjugate base is…

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Q: ank the following solutions from lowest to highest pH. OM NH3, 1.5 M HСНЗ02. 1.0 М HNO3, and 0.50м…

A: We know that pH of base is above 7 and for acid is below 7. So NH3 has highest pH value.

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

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Q: For each of the following sets of acids, determine which is the weakest acid with the smallest Ka…

A: Interpretation- We have to tell which is the weakest acid for the given following sets of acid which…

Q: Part B Choose an expression for the acid ionization constant (Ka) for HCHO2. O Ka [CHO2 ] [HCHO2]…

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Q: Which acid is the WEAKEST? Hydrofluoric acid HF (K2 = 7.2 × 10-4) Hydrogen sulfate ion HSO4¯ (Ka =…

A: Strength of acid depends on the value of Ka. Ka is acid dissociation constants as the value of Ka…

Q: Determine the Kb of a weak base that has a concentration of 0.75 M and a pOH of 4.74 at 25°C.

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Q: When ammonium (NH4+) is placed in water, a chemical reaction occurs and an equilibrium is…

A: Given: The equilibrium is established when ammonium (NH4+) is placed in water: NH4+ (aq) + H2O (l) ⇄…

Q: Describe the method to determine whether an amphoteric compound is acidic or basic given a table of…

A: In general, the pH of the acid is below 7. And pH of the base is above 7. A Higher Ka value…

Q: Font Paragraph Styles Complete the following table. [H,0*] [Or] Acidic pH pOH or Basic? a) 7.5 x…

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Q: Identify each substance as Lewis acid, Lewis base, both, or r -" PF3 OH CH3CH3 ring to nother…

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Q: Order the following acids from lowest to highest pKa value. Start with the lowest pKa as number 1.…

A: Order the given acids from lowest to highest pKa value = ?

Q: For each pair choose the weakest acid.                acetic acid (Ka = 1.8 × 10-5)       or…

A: Ka is the acid dissociation constant of an acid , and it is a measure of acid strength. It is the…

Q: A 0.763 M solution of a weak acid (HA) is made.  The solution has a pH of 5.32. Calculate the Ka of…

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Q: Carbonic acid is a weak, diprotic acid and, thus, has two Ka values, called Ka1 and Ka2. Calculate…

A: For diprotic acids, the equilibrium constants Ka and Kb values are related together by following…

Q: .Draw a circle around the proton donor and a box around the proton acceptor for each of the…

A: Hi, as you have posted multiple subparts for a single question. Hence we are solving the first three…

Q: 13.Which of the following is the weakest acid? Group of answer choices H2SO4 HClO4 H3PO4 H4SiO4…

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Q: conjugate base is amphiphrotic/amphoteric if the given pka values are

A: Acid which has higher value of Ka, is the strongest acid. HClO4 is strongest strong

Q: 1. What are two weak acids that have a similar structure? 2. What is their PKA? 3. Which is more…

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Q: What is the correct Ka expression for the weak acid HF? [HF][H3O*] [F] Ka FH3O*] [HF] Ka %3D…

A: Acids are the substances that give hydrogen ions in the aqueous solution. If the acid dissociates…

Q: Weak acids are not equally weak! Rank the following acids fromstrongest to weakes. For theacids in…

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Q: Which is more acidic between the pairs given?…

A: Acid is the chemical compound that increases the concentration of the H+ in the aqueous solution,…

Q: Select the weakest acid from amongst the set below. Assume the same concentration in aqueous…

A: The acidic strength of a compound depends upon its ability to lose H+ ions. The acid…

Q: 3. Which of the following is the strongest acid? Acid РОН НА 8.71 HB 9.21 HC 3.17 HD 4.29 НЕ 7.00 НА…

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Q: In each pair, select the stronger acid. Q.) citric acid (pKa1 3.08) or phosphoric acid (pKa1 2.10)

A: Acidic strength of an acid is directly proportional to its dissociation constant (Ka ) value . pKa =…

Q: Question attached

A: Ammonium fluoride is formed when ammonium hydroxide, NH4OH reacts with hydrogen fluoride, HF with…

Q: calculate the pHand pOH of a 0.0015MKOH(aq) solution at 25°C?

A: pH= -log[H+]pOH + pH=14pOH= -log(OH-) pH is applied for acid and pOH is applied for base.

Q: H of 11.9 turns litmus ACIDS BASES H acceptor paper red may have a negative charge generates H TOH…

A: The pH of any chemical substance depends upon the power of the hydrogen atom. Depending upon this we…

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.