When 2.3 moles of HBrO2  is dissolved in 2 liters of solution it is found at equilibrium that [H3O+] = . 067, calculate ki for HBrO2

Q: At 22 °C, an excess amount of a generic metal hydroxide, M(OH),, is mixed with pure water. The…

A: The balanced reaction is, M(OH)2 → M+2 + 2OH-Ksp=M2+OH-2   The pOH is, pOH = 14 - 10.38 = 3.62   So,…

Q: An acidic solution containing 0.015 M La³ + is treated with NaOH until La(OH), precipitates. At…

A: Given : Concentration of La3+ = 0.015 M And the Ksp of La(OH)3 = 2 X 10-21

Q: If 0.45 mol NaCN is added to 1.0 L 0.025 M FeSO4, what will the [Fe2+] be at equilibrium? Kf for…

A: The equilibrium constant for a reaction is expressed in terms of the ratio of the concentration of…

Q: ite the corresponding equilibrium constants using, when appropriate, the information: Ka(HF) = 6.8 x…

A:

Q: 4- Given the following titration curve, what is the suitable indicator for this titration? a)…

A: Answer:-This question is answered by using the simple concept of titration of acid and base and…

Q: In a reaction 45.0 mL of 0.3M of HC2H3O2 is titrated with 0.2M KOH solution. Ka= 1.8x10^-5 1) what…

A: Answers are explained below.

Q: 3. 15.0 mL of 0.50 M HCl is added to a 100.-mL sample of 0.200 M HNO2 (Ka for HNO2 = 4.0 × 10-14).…

A: Given ,Objective :Calculate equilibrium concentration of NO2- .

Q: If the concentration of Mg2+ in the solution were 0.038 M. what minimum [OH-] triggers precipitation…

A: Given :  Concentration of Mg+2 = 0.038 M  Ksp of Mg(OH)2 = 2.06 x 10-13

Q: Question 16: For test tube 7, complete the equation by adding “heat" to the equation as either a…

A: The reactions involved in the given reaction are shown below, (colourless) Fe3+(aq) + 4Cl-(aq)…

Q: buffer solution contains H2CO3 and HCO3 resulting in the equilibrium shown by the reaction below

A:

Q: solution made by adding soilid NaClO to water resulted in a baasic equilibrim with a pH of 10.50.…

A: Given data set: Volume = 2 L pH = 10.50 Ka(HClO) = 3.0*10-7 Calculating the value of pOH using the…

Q: A solution is prepared by dissolving 0.23 mol of nitrous acid and 0.27 mol of sodium nitrite in…

A:

Q: Question 15.32

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Q: Alex has prepared 1 L of a buffer solution containing 0.12 M HCN and 0.15 M CN". Given Ka for HCN is…

A: Molarity is defined as the amount of solute expressed in the number of moles present per liter of…

Q: If 2.13 g of CusO4 are dissolved in 9.0 × 102 mL of 0.30 M NH3, what are the concentrations of Cu2+,…

A: Moles of CuSO4 = Mass/Molar mass = 2.13g/(159.6g/mol) = 0.0133moles Volume = 9.0 ×102 mL = 0.9 L…

Q: s it possible, upon precipitation of the third class ions, to add H2S first, then NH4OH and NH4Cl?…

A: QUALITATIVE ANALYSIS: The qualitative analysis of the metals or ions is used to detect the presence…

Q: Given the following table of K, values, what would be the best conjugate acid to choose to make a…

A: The solution is given below -

Q: . The concentration of an unknown weak acid solution is 0.20M, and the solution has a pH of 3.89.…

A: Since you have posted multiple questions, we are entitled to answer the first only. Given: Initial…

Q: Co(H2O)62+(aq) + 4 Cl–(aq)⇄CoCl42–(aq) + 6 H2O What happens to the equilibrium using Le Chateliers…

A: Given Reaction Co(H2O)6(aq.) + 4 Cl– (aq.)⇄CoCl42–(aq.) + 6 H2O What happens to equilibrium  using…

Q: A buffer solution is 0.396 M in HF and 0.233 M in KF. If Ka for HF is 7.2x10-4, what is the pH of…

A:

Q: The equilibrium concentration of fluoride ion in a saturated magnesium fluoride solution is M.

A: The ksp is written by multiplying by the concentration of ions and each concentration terms is…

Q: A 0.47 molar solution of a monoprotic acid (HA) in water reaches equilibrium at a concentration of…

A:

Q: A 15.00 mL sample of 0.355 M H3PO4 (Ka,1 7.52 x 10-3, Ka,2 6.23 x 10-8, Ka,3 2.1 x 10-13) is…

A: (a) For first equivalent point:                                 H3PO4       +        NaOH  ----->…

Q: The equilibrium concentration of aluminum ion in a saturated aluminum phosphate solution is M.

A: Solutions                     The equilibrium concentrations of aluminium ion in a saturated…

Q: If H+ ion is added to a reaction where: AgC2H3O2(s) + Cl-(aq) becomes AgCl(s) + C2H3O2-(aq), would…

A: The solubility of a species is defined as the maximum amount of a substance that is soluble in a…

Q: How many grams of NH¼C1 have been dissolved in 300ml of 0.20 M NH3 to obtain a pH = 9.35? pKB= 4.75…

A:

Q: You mix a 150.0-mL sample of a solution that is 0.0101 M in NiCl, with a 175.0-mL sample of a…

A: The question is based on the concept of equilibrium and formation constant of the complex. we have…

Q: A solution is made initially with 0.210 M HIO, (Kc = 0.170). Once the equilibrium below is…

A: Interpretation- To determine the equilibrium concentration of H+ ions when a solution is made from…

Q: a. [CH3 COOH] = 0.85 M, [CH;CO0-] = 0.45 M (the pK, for acetic acid is 4.74) pH = b. [Н,РО, ] 3 0.50…

A:

Q: Phosphoric (H,PO4) is a triprotic acid with pKa values of 2.12, 7.21, and 12.32. It is solution for…

A:

Q: What [H2C03] needs to be added to 0.0250M NaHCO3 to obtain a buffer solution with a pH of 7.0?

A: A buffer solution is an aqueous solution consisting of a mixture of a weak acid and its conjugate…

Q: Calculate the pH of a buffer solution containing 0.25 M NH3 and 0.34 M NH4NO3. Data: pKa (NH4+) =…

A:

Q: None

A: 1. **Initial Reaction with 6M NH\(_3\)**:  - **PbCl\(_2\)** and **AgCl** are both insoluble in…

Q: 5. A) A CH 102 student is given two test tubes that each contain 1.0 M HCI. In one test tube there…

A: The solubility product constant or the equilibrium constant is a measure of the extent to which the…

Q: What is the pH of a buffer solution containing 0.45M H3PO4 and 0.25M H2PO4- ?

A:

Q: Potassium hydrogen phthalate (KHP) concentrations can be determined through titrating samples of KHP…

A:

Q: A buffer solution is made using a weak acid, HA. If the pH of the buffer is 4 and the ratio of [A]…

A: Given, pH = 4 , pKa = ? , A-HA=0.1

Q: What is the pH of a buffer that is .1 Molar in H2CO3 and 1M in NaHCO3?

A:

Q: If 283.0 mg of AgBr is completely dissolved in 143.0 mL of 0.2 M NH3, what is the equilibrium…

A:

Q: The literature Ksp value for Mg(OH)2 is 1.8x10-11. (a) Calculate the theoretical [OH-] in a…

A:

Q: At 25oC, the Ka for a certain monoprotic acid HA is 6.2x10-10. What will be the Ka value for the…

A: Which one of the following is correct answer

Q: Write net ionic equations for the reactions responsible for the observed pH value for each of the…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall only…

Q: Suppose you have a buffer containing 0.300 M hydrazine and 0.400 M hydrazinium chloride at…

A: The concentration of NaOH in the solution is calculated as shown below where 40.0 g/mol is the molar…

Q: Write the Ksp expression for each of the following sparingly soluble compounds. If either the…

A: Sparingly soluble compounds dissociate very little into their ions. So first we would write the…

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for