The hydrogen sulfite ion 1HSO3 - 2 is amphiprotic. Write an equation for the reaction of HSO3 - with water (a) in which the ion acts as an acid

Q: Calculate the pH of Ba(OH)2 solution whose 250 cm3 of a 0.01moldm-3 solution is diluted to 500 cm3…

A: The pH of a solution can be calculated as follows: pH= 14-pOH where pOH = -logOH- To calculate…

Q: What is the pH of a 0.250 M solution of aniline (C₆H₅NH₂, Kb = 4.3 × 10⁻¹⁰)?

A: Given data,Molarity of aniline=0.250MKb=4.3×10-10

Q: Carbonic acid, H2CO3 is a diprotic acid with Ka1 = 4.3 × 10-7 and Ka2 = 5.6 × 10¯11. What is the pH…

A: The Ka1 is greater than Ka2 by a fraction of 10-4.  In a diprotic acid, firstly the first hydrogen…

Q: Write down the reaction between [Cr(C2O4)2(H2O)2] and dilute potassium hydroxide.

A: The given compound must be [Cr(C2O4)2(H2O)2]- instead of [Cr(C2O4)2(H2O)2]. [Cr(C2O4)2(H2O)2]-…

Q: Calculate the pH at 25°C of a 0.45 M aqueous solution of oxalic acid (H2C2O4). (Ka1 and Ka2 for…

A: We have to calculate the pH value.

Q: A solution was prepared by adding 4.95 g sodium acetate (NaC2H3O2) to 250.0 mL of 0.150 M. acetic…

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Q: Write the chemical equation and the Ka expression for theionization of each of the following acids…

A: a)  HBrO2 l → H+ aq +BrO2- aqand writing the Ka expression :Ka=H+ BrO2-HBrO2The reaction to…

Q: For a solution having 1.00 x 10-3 eq/L total alkalinity (contributions from HCO3-, CO32-, and OH-)…

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Q: Oxalic acid (H,C,04) is a polyprotic acid. Write balanced chemical equations for the sequence of…

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Q: When phosphine dissolves in liquid NH3, NH4+PH2- is formed. Write an equation for this and provide…

A: When phosphene dissolved in liquid NH3 then phosphene behave as a  acid and ammonia as a base so…

Q: Describe how you would prepare a 0.1 M phosphate bufferwith a pH of 7.2. What ratio of conjugate…

A: The pKa values of phosphoric acid are: pKa1 = 2.1 pKa2 = 7.2 pKa3 = 12.3 Phosphoric acid (H3PO4) has…

Q: Consider the following ions: sulfate (SO4 -2), acetate (C2H3O2 -),hydrogen carbonate(HCO3 -1),…

A: Amphoteric ion is defined as the ion which can donate H+ ion to a base or can accept H+ ion from an…

Q: What is the pH of a solution of 0.300 M HNO₂ containing 0.170 M NaNO₂? (Ka of HNO₂ is 4.5 × 10⁻⁴)

A: pH of a solution is defined as the negative logarithm of H3O+ ion concentration. Here the given…

Q: 1. How many grams of Ca3(PO4)2 will be needed to prepare 500.0 mL of a 0.161-M solution of…

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Q: The pKa for the first protonation of nicotine (2) is 8.02. What is the pH and the fraction of…

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Q: Fill in the left side of this equilibrium constant equation for the reaction of benzoic acid…

A: The Equilibrium constant for a reaction   A + B ⇔ C + D   Can be written as  K = [C][D][A][B],…

Q: Due to the pandemic Covid-19, the uses of hand sanitizers are very important among us. Predict and…

A: Hand sanitizer is a neutral solution. When red cabage indicator was added to it becomes purple in…

Q: An aqueous solution of K2[Pt(OH)6] has a pH greater than 7. Explain this fact by writing an equation…

A: According to Bronsted-Lowry acid base theory, a bronsted acid is the species which donates a proton…

Q: Write the balanced chemical equations for (a) the completecombustion of acetic acid (CH3COOH), the…

A: (a) The complete combustion of acetic acid (CH3COOH), the main active ingredient in vinegar can be…

Q: Which of the following is the pH of a weak alkali? (1 Point) 1 2 3 457 89 10 11 12 13 14 blue purple…

A: pH is the negative log of H+ ions. Towards  1 it is most acidic and towards 14 it is most basic/…

Q: For a weak diprotic acid H2X, what is the relationship between [X2-] and Ka2? Under what conditions…

A: Acid are those substances which give protons in their aqueous solutions. The given acid has two…

Q: What is the pH of a 0.320 M solution of Ca(NO,), (Ka of HNO, is 4.5 × 104)?

A: For HNO2 , pKa = -logKa                           = -log (4.5 x 10-4 )                           =…

Q: What is the pH of a 0.570 M solution of Ca(NO2)2 (Ka of HNO2 is 4.5 x 10-4)?

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Q: Write the relevant chemical reaction and mass-balance expression for 0.1 M NaCl and 0.1 M NaH2PO4.

A: Sodium Dihydrogen Phosphate + Sodium Chloride = Nahpoite + Hydrogen Chloride 0.1 M of aqueous Sodium…

Q: Calculate the pH of a 0.75 mol L─3 solution of ethanoic acid at 298 K. Given Ka = 1.7 × 10─5

A: Welcome to bartleby ! We have to calculate pH .

Q: Consider the reaction of 75.0 mL of 0.350 M C₅H₅N (Kb = 1.7 x 10⁻⁹) with 100.0 mL of 0.393 M HCl.…

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Q: a. 1. A 1.23 M solution of CeHsONa was prepared at 25.0°C. Kb = 7.7 x 10-5 Determine whether the…

A: We have to find pOH of the solution

Q: A sample of water at pH 10.5 has 75 mg/L of CO3-2 and 65 mg/L of HCO3- Including the contribution of…

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Q: What volume of 0.1543 M NaOH must be added to 25.00 mL of 0.2405 M HCOOH in order to prepare a…

A: Ka = 1.8 ×10–4 pKa = – logKa = – log(1.8 ×10–4) = 3.745 Let n be the number of millimoles of NaOH to…

Q: The balanced molecular equation for complete neutralization of H2SO4 by KOH in aqueous solution is…

A: Since the reactant is acid and base Hence the products will be salt and water as acid and base react…

Q: 3) what do you mean by ion exchange capacity? Provide the functional groups present for weakly…

A: Ion-exchange chromatography is a technique which separates ion and polar molecules based on their…

Q: Consider the reaction of 75.0 mL of 0.350 M C₅H₅N (Kb = 1.7 x 10⁻⁹) with 100.0 mL of 0.425 M HCl.…

A: Given: Volume of C₅H₅N = 75.0 mL Concentration of C₅H₅N = 0.350 M Volume of HCl = 100.0 mL…

Q: A. Calculate the PH of the (0. 1 N) NasPOa in 250 ml B. What is the Normality of a sulfuric acid…

A: (A) pH of 0.1N Na3PO4 solution: C = 0.1/3 = 0.033M PO43- ions are undergoing hydrolysis and pH is…

Q: What is the percent ionization of nitrous acid in a solution that is 0.230 M in nitrous acid (HNO2)…

A: The percent ionization of nitrous acid in a solution is to be calculated

Q: For the following reaction, ide Xo 요 i 1 || IV Acid Base Acid I and II B. I and III I and IV D. II…

A: 2) Bronsted-Lowry base is a base which accepts a proton(H+). Compound I accepts a proton from…

Q: Part II. Arrange the following compounds in order of increasing basicity. 7. NazO, Rb2O, K2O 8.…

A: Ans. Part II Arrangement of the given compounds in order of increasing basicity: (7)  Na2O <…

Q: 25. Mik of nmagnesia, Mg(OH),, has a pH of 10.5. Calculate the hydronium jon concentration of the…

A: Given pH for milk of magnesia Mg(OH)2 =10.5 We know, pH=-log[H3O+] 10.5 = -log[H3O+] Taking antilog…

Q: What is the pH of a 0.300 M solution of aniline (C₆H₅NH₂, Kb = 4.3 × 10⁻¹⁰)?

A: CH3NH2 is a weak base that partially dissociates in water. C6H5NH2(aq) ↔ OH-(aq) + C6H5NH3+(aq)…

Q: Give the rationale for the following: The use of picric acid in burns The use of tannic acid in…

A: 1) Picric acid is 2,4,6-trinitrophenol. Picric acid is an anti-stringent and an antiseptic. It…

Q: The pH of a 1.00 M NaCH3COO (aq) solution is 9.38. a/ Determine the concentration of [OH] in the…

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Q: Define the equilibrium constant Ka (1.3 × 10–2) for the dissociation of the weak acid, HSO4–. Assume…

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Q: Calculate the pH of a solution prepared by dissolving 0.040 moles of sodium nitrite (NaNO2) in 200…

A: When HNO2 and NaNO2 are mixed, they form buffer solution HNO2/NO2-. And the pH of a solution is…

Q: 0.3728, 0.9319, 1.4910 and 1.8638 g aliquots of KCI were dissolved in 4 separate 250 ml samples of…

A: KCl is a salt of strong acid and strong base. As a result, it doesn't undergo hydrolysis when…

Q: Write the net ionic equation for the hydrolysis reaction that occurs when sodium acetate, NaCH3CO2,…

A:

Q: A solution was prepared by 0.250 moles of ammonium chloride to 500.0 mL of 0.35 M ammonia. Given the…

A: For NH3 , pKb = -log Kb = -log ( 1.86 x 10-5 ) = 5 - log 1.86 = 5 - 0.27 = 4.73 Concentration of…

Q: 11.(a) 10.06 cm3 of the stock 0.100 mol dm–3 solution of NaOH was required to fully neutralise 49.5…

A:

Q: Are all bases alkaline in nature?

A: Alkalis are the bases that can be dissolved in water

Q: Show the calculations to demonstrate that 2% AgNO3 is approximately 0.1M in Ag+ ions.

A: Given:the given concentration of AgNO3 must be in w/vconcentration of AgNo3 (w/v)=2%The formula for…

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.