3. Which of the following can act as bases in water and which can act as acids in water:   Na2HPO4, CH3OH, Cl2, Ar, Na3AsO4, PbO, C6H14, K2SO4, NH4Cl, NaI, [Fe(H2O)5OH]2-, Al, MnS, CO2

Q: ii. Weak acids dissociate less than 100% and are often the acids fou These use a double-headed arrow…

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Q: Which of the compounds CH3CO2H, Mg(OH)2, CsOH, and HI behave as bases when they are dissolved in…

A: We can verify this thing simple one rule: If the compound releases H+ ion in aqueous solution, it is…

Q: Can hydroxide ion (OH-) exist in liquid sulfuric acid (H2SO4)?  If so, justify your answer.  If not,…

A: Acid base reaction are very fast.

Q: 16.96

A: A Lewis acid is defined as the chemical species which contains an empty orbital that is capable of…

Q: Acetic acid is a weak acid, meaning it does not fully dissociate in water. Instead, there is an…

A: The solution is as follows:

Q: The hypochlorite ion, ClO-, acts as a weak base. (a) Is ClOa stronger or weaker base than…

A: (a) Since, the basic character is generated by the donation of lone pair electrons of N in…

Q: What is the pH of a 0.0500 M solution of HONH₃Cl (Kb of HONH₂ is 1.1 × 10⁻⁸)?

A: HONH3Cl is a salt and in solution it gets dissociated as HONH3Cl → HONH3+ + Cl- The hydrolysis…

Q: 6) What is the pH and pOH of a solution with a [OH] of 7.79 X 10* M? Is the solution acidic, basic…

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Q: What is the pH of a 0.0250 M solution of HONH₃Cl (Kb of HONH₂ is 1.1 × 10⁻⁸)?

A: pH can be calculated as follows

Q: Calculate the pH and PO, concentration in 2.25 M phosphoric acid (H;PO,) solution? H,PO.(aq) +…

A: Since H3PO4(aq) is a triprotic acid, it undergoes dissociation 3 times to form 3H+(aq) and…

Q: What is the pH of a 0.720 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?

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Q: (1) Write the net ionic equation for the reaction that occurs when equal volumes of 0.084 M aqueous…

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Q: (b) What will happen if acetic acid (HC2H3O2) is added to water? O An equilibrium will form between…

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Q: For the reaction of hydrazine (N2H4) in water, H,NNH, (ag) + H20(1) H,NNH3+ (ag) + OH (ag) K, is 3.0…

A: The given equilibrium reaction is as follows, H2NNH2(aq) + H2O(l) ↔H2NNH3+(aq) + OH-(aq) The…

Q: What is the pH of a 0.650 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?

A:

Q: What is the pH of a 0.1250 M CH3NH3Br? Kb for CH3NH2 is 3.70e-4.

A: Given,  The pH of a 0.1250 M CH3NH3Br is : Kb for CH3NH2 is 3.70e-4.

Q: Which of the following reactions is an acid-base reaction? A) AgNO,(aq) + KF(aq) → AgF(s) + KNO,(aq)…

A: We know that, Acid and base when react then form salt. Thus,

Q: 10. Liquid dinitrogen tetraoxide. N2O4, undergoes auto-ionization: N:O40) + NO') + NOs'1) a/ Will…

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Q: 2. Which of the following is closest to the pH OF a solution containing 5 mM H,SO, ? А. 1 В. 2 С. 3…

A: The question is based on the concept of pH of the solution. it is defined as a negative logarithm of…

Q: You notice that the water in a friend's swimming pool is cloudy and that the pool walls are…

A:

Q: What is the pH of a solution that is O.245 MH2S and 0.160 M sodium hydrogen sulfide (NaHS)? The Ka…

A: The reaction between Hydrogen sulfide and sodium hydroxide is

Q: The ionization constant of lactic acid, CH;CH(OH)CO,H, an acid found in the blood after strenuous…

A:

Q: 6. Nitric acid, HNO3, is a strong acid in aqueous solutions. It is sold commercially as a…

A: Density of a substance is calculated as shown below: Density = Mass / Volume

Q: What is the pH of a 0.0760 M solution of HONH₃Cl (Kb of HONH₂ is 1.1 × 10⁻⁸)?

A: Given salt is a mixture of W.B + SA  HONH3Cl it undergo salt hydrolysis  It's  pH = 7 - 1/2(pkb +…

Q: Formic acid, HCHO2, is a stronger acid than acetic acid, HC,H;O,. Which is the stronger base,…

A: Interpretation: We have to tell which is stronger base , formate ion or acetate ions.

Q: The pH of a 0.0492 M solution of a weak acid is 2.641. What is the Ka of the acid?

A: pH= 2.641

Q: Using data from Appendix D, calculate 3OH-4 and pH for each of the following solution 0.035 M Na2S

A: 0.035 M Na2S hydrolyze in water to produce OH- ions. The ICE table is as follows:

Q: The pain reliever codeine is a weak base with a Kb equal to 1.6×10–6. What is the pH of a 0.250 M…

A:

Q: What is the pH of a 0.510 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?

A: Given information: Concentration of solution = 0.510 M

Q: Which of the following equations represents the acid-base neutralization reaction between H2504 and…

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Q: Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three…

A:

Q: The reaction of magnesium hydride (M9H2) with water (H2O) is an acid-base reaction. What is the acid…

A:

Q: Arrange the following in the decreasing order of their basic strength in aqueous solutions: CH3NH2,…

A: The introduction of an alkyl group into ammonia increases the basic strength. The introduction of a…

Q: Which of the following substances can be classified as a Lewis base? CO Cu F a) O, only b) O, and CO…

A:

Q: The acid dissociation reaction for the weak acid butyric acid, HC4H¬O2 is given below. Its Ka is…

A: The dissociation reaction given is Assuming y concentration of HC4H7O2 dissociates as per the…

Q: What is the concentration of the hydroxide ion, OH-, in solution at equilibrium if the pH of the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: weak base is 2.5 × 10-6, what is the pH of a 0.23 M solution of this base?

A: From the relation, pOH is calculated as,

Q: Acid Ka HC3HSO3 1.4 x 104 HOCN 3.5 x 104

A: Given acids,      Lactic acid - HC3H5O3      Cyanic acid - HOCN

Q: On a lab exam, you have to find the concentrations of themonoprotic (one proton per molecule) acids…

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Q: On dissolving 7.258 gm of HCN (Ka=7.2x10 1) in water, the solution become 100 ml so the degree of…

A: HCN is a Weak acid the degree of dissociation of a weak acid or base or an electrolyte was explained…

Q: What is the pH of a 0.0380 M solution of HONH₃Cl (Kb of HONH₂ is 1.1 × 10⁻⁸)?

A: pH = 3.73

Q: Phosphoric acid, H;PO,(aq), is a triprotic acid, meaning that one molecule of the acid has three…

A:

Q: or the following reaction, predict the products, write the total ionic equation and the net ionic…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Calculate the concentration of S2- in an aqueous solution of 0.239 M hydrosulfuric acid, H2S (aq).…

A: Given :  0.239 M Hydrosulfuric acid . To find : concentration of S2-

Q: What is the pH of a 0.500 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?

A:

Q: Calculate the pH of each of the following solutions (Ka and Kb values are given in Appendix D) 0.100…

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Q: The hypochlorite ion (OCl-) is a strong oxidizing agent often found in household bleaches and…

A: Given: Ka for HOCl = 3.5 x 10-8 concentration of HOCl = 0.100 M The ionization reaction of weak acid…

Q: 3. 5.00 g NaOH and 5.00 g Ba(OH)2 were used to prepare 1L solution each. Which solution will be more…

A: Answer:- this question is answered by suing the simple concept of calculation of molarity and then…

Q: (6)  Is the salt C2H5NH3Cl acidic, basic, or neutral?                            What is the pH of…

A:

Q: Consider the following reaction of hydrazine (H2NNH2) that takes place in water. H,NNH,(aq) + H20(1)…

A: a) The expression for Kb for the given reaction is shown below, Kb = [NH2NH3+] [OH-][NH2NH2]