Item 14: Question Calculate the pH of a solution prepared by dissolving 2.129 g of solid anhydrous Na₂HPO4 (fw, 141.98) in about 50 mL of water, adding 1.000 mL of 6.00 M HNO3, and diluting the mixture with water to 100.0 mL. The stepwise acid dissociation constants for phosphoric acid are 7.11 x 10-³, 6.32 x 10-8, and 7.1 x 10-¹3. Assume the activity coefficients are equal to 1.00. 7.02 7.38 9.85 12.32

Q: An aqueuous solution of K3PO4 would be...a) either acidic or basic depending on the amount of salt…

A: Here are some general rules:1) Salt of a strong Acid + Strong base---->Neutral Solution2) Salt of…

Q: Which nitrogen atom is most basic? CI CI О 20 a N CI N CI 8

A: Basicity refers to the chemical property of a substance that can accept protons (H+ ions) in a…

Q: weak acids and bases only ionize weakly.  But have you ever thought “WHY????”  and, what if it told…

A: There are several definitions for acids and bases, one of the definitions is that acid is species…

Q: Can you show me how to calculate this? You have calculated the [NaOH] for three trials shown below;…

A: Given: Concentrations: .1011M, .1012M, .1015M

Q: 1. The formula for the conjugate base of H,P04 is 2. The formula for the conjugate acid of HC,04 is

A: Acid are the substance that loses a proton to form conjugate base. Base are the substance that gains…

Q: What is the final pH of a solution which initially has 0.3M Ba(OH)2 and 0.8M ammonium chloride? For…

A: Concentration of Ba(OH)2 = 0.3 MConcentration of ammonium chloride (NH4Cl) = 0.8 MKb of ammonia =…

Q: The salt NaCl which 100% dissociates is... O a. neutral O b. acidic O c. basic O d. not enough…

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Q: For the hypothetical solutions below, classify the compounds in the following solutions as prubne…

A: An electrolyte is a substance that breaks up into ions, when dissolved in water. Electrolytes are…

Q: 6. Find Ka and Kb of each of the following amphiprotic anions and determine if they act as an acid…

A: The amphoteric ions are the ions which can acts as both the acid and base in aqueous solution. In…

Q: Predict whether each of these substances will behave as an acid or as a base when reacting with…

A: Given are organic compounds. According to Bronsted-Lowry theory, Acid is species which donates…

Q: A base ........... A base ........... Select all that apply. - produces OH- ions in aqueous…

A:

Q: 11. Calculate the pH of a .0275 M orange juice solution (Ka citric acid 1.1 x 10-3).

A: Given  Concentration of acid = 0.0275 M  Ionization constant of citric acid ( Ka ) =  1.1 × 10-3  PH…

Q: ater them into the GAview prelab If the pKa of acetic acid is 4.76, what value does the ratio C,/C,…

A: For a monoprotic acid HA, the following equation can be written: pH=pKa+logCbCa where Ca is the…

Q: A solution contains 0.305 M ammonium bromide and 5.90x10-2 M ammonia. The pH of this solution is

A: given :-  concentration of ammonium bromide = 0.305 M  concentration of ammonia = 5.90 × 10-2 M  To…

Q: Calculate the pH of a 0.0778 M aqueous solution of formic acid (HCOOH, K, = 1.8×10). pH =

A: The value of Ka for the formic acid is 1.8 × 10-4

Q: Titration of Carbonic Acid pH vs. Volume (ml) 12 10 10 50 Volume of Acidic Titrant Added (ml) 2. Hd

A: At 0 mL pH is dependent on the hydrolysis of Bronsted base [ Co3] 2- .

Q: gate Dase: BaCl2 (aq) + 2H2CO3(aq) Ba(HCO3)2(aq) + 2HCI(aq) Acid: choose your answer. Base: choose…

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Q: Select the part of the chemical species below that is the electron sink ( Lewis acid)

A: This question belongs to Lewis dot structure from Chemical Bonding Chapter.

Q: Review | Constants | Periodic Ta Part C At a pH of 7.40, what is the ratio of the molar…

A:

Q: How many moles of potassium hydroxide would have to be added to 250 mL of a 0.357 M hydrocyanic acid…

A:

Q: A. Standardization of NaOH Solution TRIAL (HCI] Volume Moles Moles Volume [NAOH] HCI HCI NaOH NaOH…

A: concentration=moles/volume

Q: Utilize the following normal values to determine the primary acid-base imbalance and compensation…

A: Normal Values pH = 7.35-7.45 pCO2 = 35-45 mmHg [HCO3-] = 22-26 mEq/L

Q: Complete the statements describing a solution of the salt  FeCl3FeClX3 .   A solution of…

A: An atom is the basic and fundamental unit of matter. An atom consists of electron and the nucleus in…

Q: Mailea determined the pH of acetic acid (a.a.) and benzoic acid (b.a) by using pH paper. According…

A: The pH of a solution can be determined by using the pH paper. The change in color of pH paper…

Q: Identify the acid and conjugate base pair in the following: HSO3- + CN- ⓇHCN + SO32- CN- and SO32-…

A: The Bronsted-Lowry acid-base theory states that the acid is a substance that gives H+ ions and the…

Q: When dissolved in water, 1 mole weak acid HNO2 will.......

A: Weak acids are acids that dissociates partially into its corresponding ions in water or an aqueous…

Q: 6.7 x 10, What is the pH of A solution at 25 °C has [OH] = the solution?

A: Number 1 :- Given :- [OH-] = 6.7 × 10-3  To calculate :- pH of solution

Q: pH

A:

Q: Hypochlorous acid (HOCI) is a weak acid that dissociates into hypochlorite (OC1-). HOCI is the…

A: Hypochlorous acid (HOCl) is a weak acid and gets dissociated into H3O+ and hypochlorite (OCl- ) in…

Q: Extraction of a Three Component Mixture

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Q: A solution contains 0.134 M sodium nitrite and 0.305 M nitrous acid. The pH of this solution is…

A:

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.