What is the approximate pH of 0.1 M Na2SO3? For sulfurous acid, pK₂1 = 1.86, PK₁2 = 7.17. (Hint: Round judiciously, and a2 this problem becomes very easy to do without a calculator.) pH = 4 pH = 14 pH = 10 pH = 7

Q: 8. For phosphoric acid, H3PO4, the kai expression is:

A:

Q: What mass of ammonium chloride should you add to 2.65 L of a 0.150 mol L-1 NH3 to obtain a buffer…

A:

Q: when the ratio of (A--)/(HA)=100 to 1, calculate the pH. when the ratio of (HA)/(A--)=10 to 1, the…

A: We have to give the pH for given conditions.

Q: H I I H H O Show Transcribed Text 1. What amino acid is this? 2. What pH is this drawn at? > ( 3.…

A: Note: Since you have posted a question with multiple sub-parts, we will provide the solution only to…

Q: Which of the following is a general property of an acidic solution? (Sec. 14.1) (a) tastes sour (b)…

A: Some of the properties of acids are as follows.

Q: LR, PhMe/reflux CH3

A: This is a symmetrical di-keto system. It has alpha-H. Hence, under thermal condition it can undergo…

Q: (10 pts) What is the Kg of an acid HA if the pH of a 0.150 M solution NaA has a measured pH 8.52? 9.

A: Molarity of NaA solution = 0.150 M Measured pH = 8.52 From the relation, pOH is calculated as,

Q: Why is it beneficial for aspirin to be buffered?

A: Buffered aspirin contains antacids to neutralize the acid in your stomach that causes upset.The…

Q: Awer the followng questions abouA Ka and pa (a Whatis Ka (b) Does a strong aid have a greater or…

A: The questions given are,

Q: MULTIPLE CHOICE QUESTION What is the relationship between pH and pOH? (select all that apply) Low…

A: pH = -log(H+) pOH = -log(HO-) The relationship between pH and pOH is given below.

Q: Decide which compound is the acid and which is the base, and draw the products of the proton…

A: Answer:- acids are the proton donor and the bases are proton donor. The species formed after the…

Q: 4. Is there a half-equivalence point?  If appropriate, label it on your drawing

A: Drawing and labeled

Q: What is the key equation for finding density? O d = m/V O A = ebC O q_rxn = -q_cal O at endpoint,…

A: There are different formulas used to relate two or more quantities to each other. Each quantity is…

Q: The reaction that forms most of the acid in acid rain is A SO2 (g) + H20 (1) – H2SO4 (aq) B So3 (g)…

A: The acid rain contain acid in the form of sulfuric acid and nitric acid. This acid is formed by the…

Q: Please answer the pOH, [H3O+], [OH-]

A: Given,

Q: What is the pH of a solution that is 0.753 M in ethylammonium chloride (CH3CH₂NH3CI)? The K, of…

A: Given , Kb(ethylammonia ) = 5.6×10-4

Q: Part A What is the H+ concentration for an aqueous solution with pOH= 4.47 at 25 °C? Express your…

A: Concentration of H+ can be calculated as follows

Q: Is the dissolution of ammonium chloride in water an exothermic or endothermic process. O endothermic…

A:

Q: Ihave some acetic acid that dissociates in water. [CH3COOH] = 0.405 M and [CH3COO]=0.505 M.…

A: The acid ionization constant for acetic acid is 1.8×10 -5.

Q: Which of the following is a strong acid? O acetic acid Ohydrochloric acid hydrofluoric acid…

A: The strong acid among them is given below

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A: Carbonyl compound containing alpha hydrogen (hydrogen present at carbon that is adjacent to a…

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A:

Q: Dissociation/lonization Equation Kb expression/base dissociation constant expression Given…

A:

Q: For each of the following reactions: i) H2SO4(aq) + H20 H30+(aq) + HSO4 (aq) ii) HSO4 (aq) + H2O…

A: Answered Explanation:

Q: Weak acids, such as oxalic acid___________________ . And,  if inhaled or ingested can cause damage…

A: Answer explained below.

Q: (Q17) What is the pH of a solution that is 0.404 M in sodium formate (NaCHO2)? The Ką of formic acid…

A: Given, Concentration of the sodium formate, NaCHO2 (C) = 0.404 M Ka of formic acid = 1.8 × 10-4…

Q: HA has a pK₂= 9 and HB has a pKb = 11. Which acid is the stronger acid? (a) HA (b) HB b 3

A: We have been given that HA has pkb = 9 and HB has pkb = 11. We have to tell which acid is stronger…

Q: Name: 1. Determine the pH and pOH (to two decimal places) for each: (a) Pure water at 50 °C (Kw =…

A: Water undergoes self ionisation in the following manner- 2 H2O ↔ H3O+ + OH- The equilibrium constant…

Q: Aspartic acid is a polypeptide side chain found in proteins, it is neutrally charged in its…

A: We are given aspartic acid with pKa = 3.86, and this is in a solution with pH = 7. We need to…

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A: pH is a scale used to specify the acidity or basicity of an aqueous solution. Acidic solutions are…

Q: QUESTION 1 Is the calculated sodium hydroxide concentration higher, lower, or the same as the actual…

A: For oxalic acid-NaOH titration, the acid is COOH-COOH.2H2O (oxalic acid) and the base is NaOH.  Now,…

Q: (Q6) If the equilibrium pH of an aqueous solution is 1.72 and the solution is 0.433 M in formic…

A:

Q: A solution contains 1810 MAe' nd 15-10 M P • Part A w Nal is added, wil Ael (K 3x 10") Phle (K 73x…

A:

Q: The forensic technician at a crime scene has just prepared a luminol stock solution by adding 15.0 g…

A: Luminol has chemical formula 5-amino-2,3- dihydro-1,4-phthalazinedione used for forensic science…

Q: (Q6) If the equilibrium pH of an aqueous solution is 1.72 and the solution is 0.382 M in formic…

A: Given ; pH = 1.72

Q: s morphine sulpha

A: Strength of medicine tells about the amount of dosage present.

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A: A reagent is  a substance or mixture  to use in chemical analysis and it cause chemical reaction

Q: A 1.80 M solution of an unknown acid has a pH of 1.22. What is the Ka? Your Answer: Answer

A: For a weak acid the relationship between dissociation constant and concentration of H+ ions is  [H+]…

Q: If the pH is 4, what is the %HA at of a molecule has a pKa = 4? Report the answer to one decimal…

A: The degree of dissociation α is used to measure the amount of acid dissociated and is represented as…

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A: It is given that, for optimum growth the corn required a soil pH of atleast 5.8 - 7.0. We need to…

Q: This citrus fruit commonly consumed at home has a ph level of above 7 2309 3139 0 LJ

A: pH is a measure of H+ ion concentration .The range of pH goes from 0 to 14.  pH = -log(H+)  if…

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Q: How many grams of KOH are needed to neutralize 13.6 mL of 0.13 M HCl in stomach acid? Type answer:

A: Given,Volume = 13.6 mL = ( 13.6 mL × 1 L / 1000 mL) = 0.0136 LMolarity = 0.13 M[ note: 1 L = 1000 mL…