What are the respective concentrations (M) of Fe3+ and I- afforded by dissolving 0.200 mol FeI3 in water and diluting to 725 mL?

Q: What is the pH of a solution of 0.300 M HNO₂ containing 0.200 M NaNO₂? (Ka of HNO₂ is 4.5 × 10⁻⁴)

A: By using Henderson Hasselbalch equation the pH of the buffer solution is determined by using the…

Q: Which of the following is an acidic salt? O NaBr O KNO3 HI O NH4CI O NACIO

A: Acidic salt : strong acid and weak base combination.

Q: Calculate how many moles of Ca(OH)2 will dissolve in 1.30 L of water.

A: Calculate how many moles of Ca(OH)2 will dissolve in 1.30L of water To solve this question required…

Q: How many moles of S2O3^2- Are needed to titrate a green river water sample containing 0.50 moles of…

A: We will use stoichiometry of the reaction to get the answer

Q: What is the pH of a 0.150 M solution of aniline (CeH;NH2, Kb = 4.3 × 10-1º)?

A:

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

A:

Q: What volume (in liters) of CO2 measured at STP would be produced if 12.8 mL of 4.5 M HCI reacted…

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Q: If a solution containing 0.10 M Cl2, Br2, I2, and CrO4 is treated with Ag1, in what order will the…

A:

Q: By analogy to examples given in the text, predict what gas forms when Na2SO3(s)reacts with HCl(aq).

A: Neutralization reaction-  Reaction between acid and base to form salt and water. HCl is an acid and…

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

A:

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

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Q: what is concentration of F- ions when 306.960 mg of MgF2 completely dissociate in 1.641 L of…

A:

Q: What is the percent strength (w/w) of a solution made by dissolving 62.5 g  of potassium chloride in…

A: Given ,    Mass of potassium chloride kcl = 62.5 g        Volume of water = 187.5 mL

Q: totich oganie Sotent wotd be better to राफ्फंचंगी खुणापं जिला चनाने प्रष्णेवी अट कुिटनंक 10 exfसतल…

A: Steam distillation is the process used in labs to extract essential oils. It is based on the…

Q: What are the concentrations of H3O+ and OH− in oranges that have a pH of 3.71?

A: pH :-  The negative logarithm to the base 10 of hydronium ion concentration expressed in mol/L of…

Q: What [Ag+] is required to reduce [CO32−] to 8.2 × 10–4 M by precipitation of Ag2CO3?

A: As the initial concentration of [CO32-] is not given,we will take,initial concentration of [CO32-] =…

Q: How many grams of La(IO3)3 will dissolve in 250.0 mL of water?

A: The Ksp of La(IO3)3 = 7.50×10–12 and let S be the solubility of La(IO3)3

Q: calculate the weight of NaOH quired to prepared solution O.1M in ?250ml,Na=23,0=16,H=D1

A: 0.1M means 0.1 moles in 1000 ml solution no of moles in 250 ml =  0.1/4 =0.025 moles weight of NaOH…

Q: What is the pH of a solution of 0.300 M HNO₂ containing 0.140 M NaNO₂? (Ka of HNO₂ is 4.5 × 10⁻⁴)

A: Given : Concentration of HNO2 = 0.300 M Concentration of NaNO2 = 0.140 M And Ka of HNO2 = 4.5 X 10-4…

Q: What is the pH of a 1.47 mol/L solution of HCN(aq) if its Ka = 3.5 ´ 10-11?

A: HCN is a weak acid hence it can dissociate partially Ka value of HCN=3.5×10^-11

Q: D

A:

Q: What is the total molar concentration of ions in 0.750M solution of K2CO3 assuming complete [3]…

A: Molarity: In chemistry, the strength of solutions i.e. the number of ions of the solute per unit…

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: Complete the balanced dissociation equation for the compound below in aqueous solution. If the…

A: Ionic compound dissociates into its ions.  Since, Cs2CO3 is formed by using two ions, they were 2Cs+…

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: Q: Arrange he following Salts in order of increning Sulubility (4t Aluminum bydronide [AI COH),7…

A: that salt will be more soluble which has more solubility constant .

Q: A 50.00 ml of a sample of river water was titrated with 0.0015M of sodium dichromate and required…

A: Chemical oxygen demand COD)- Amount of oxygen that can be consumed by chemical reaction in a…

Q: What is the pH of a 0.650 M solution of C5H;NHB (Kb of CsH;N is 1.7 × 10-º)?

A:

Q: What is the pH of a solution of 0.400 M CH3NH2 containing 0.300 M CH;NH3I? (Kb of CH3NH2 is 4.4 ×…

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Q: Calculate the molar concentration of OH- in a 0.724 M solutionof hypobromite ion (BrO-; Kb = 4.0 x…

A: Since the BrO- will get hydrolysed by water as per the reaction => BrO- (aq) + H2O (l)…

Q: Calculate the concentration of all 1ons present in 5.98 g Na,S in 1.00 L of solution. MNa MS-

A: One mole of sodium iodide (Na2S) ionizes in aqueous solution to give one mole of sulfide (S2-) ion…

Q: What is the pH of a 0.660 M solution of C3H;NHB (Kb of C5H5N is 1.7 x 10-9)?

A: Given information, [C5H5NHBr] = 0.660 M Kb of C5H5N = 1.7*10-9 Calculate: pH = ?

Q: The problem with making a standard solution of sodium hydroxide from solid NaOH is that O a. the…

A: NaOH is a commonly used laboratory agent. The solution of standard NaOH can be prepared using…

Q: What is the pH of a solution of 0.300 M HNO2 containing 0.120 M NaNO2? (Ka of HNO2 is 4.5 × 10¬4)

A: The given data contains, Concentration of weak acid =0.300M Concentration of conjugate base =0.120M…

Q: What is the pH of a 0.380 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?

A:

Q: What is the pH of a solution of 0.300 M HNO₂ containing 0.150 M NaNO₂? (Ka of HNO₂ is 4.5 × 10⁻⁴)

A: In this question, we will calculate the pH of this solution ( this is a buffer solution ). For…

Q: What is the pH of a 0.64 M solution of NH3 (Kb = 1.2 × 10-5)?

A:

Q: What weight of KHP (FW=204.22) must be used to standardize a 25.00 mL solution of NaOH that is…

A: Given,  The mass of KHP (FW=204.22) must be used to standardize a 25.00 mL solution of NaOH that is…

Q: What is the molarity of calcium bicarbonate if 9.80 mL of 1.50 M HNO3 is required in a titration to…

A: Given:Volume of Nitric acid = 9.80mL = V1Molarity of Nitric acid = 1.50 M = M1Volume of Ca(HCO3)2 =…

Q: Assuming full dissociation in water, what concentration of the following ionic compounds would have…

A:

Q: What is the pH of a solution of 0.300 M HNO₂ containing 0.210 M NaNO₂? (Ka of HNO₂ is 4.5 × 10⁻⁴)

A: BUFFER SOLUTION It is a solution of weak acid or base with their corresponding conjugate base or…

Q: Fnd out value af concentraion of Ag+2 Give a Solution 278.o mg of AgBris Cempletely wasted in…

A: Formation constant Kf of the reaction is a very large value. Thus, the reaction almost goes to…

Q: A solution was prepared by dissolving 1280 mg of K3FE(CN), in sufficient water to give 770 ml.…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: In which of the following aqueous solutions would you expect Agl to have the highest solubility…

A: In pure water AgI have greatest solubility.

Q: A 0.10M Al2(SO4)3 solution is at 25 deg C. Is the the ionic strength greater than, less than or…

A: Formula for ionic strength μ= 1/2 ∑1i(Ci Zi2) Where CI is concentration of ions and Zi is the charge…

Q: How many mols of HBr are used to neutralize 18.66 mL of a 0.2299 M Ca(OH)₂ solution?

A:

Q: Vhat is the caustic alkalinity of a solution with a carbonate concentration of 20 ng/L and a pH of…

A: Given- 100 ml from water , pH = 8.1 '

Q: What is the molar concentration of ions in a solution that is 0.292 M in MgCO3?

A: The given solution is 0.292 M MgCO3. The molar concentration of ions is =?

Environmental Pollution

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