5. What is [H3O+] in a solution of 0.075 M HNO2 and 0.030 M NaNO2? The pKa of HNO2 is 4.35. a. 1.1 x 10-4 M b. 2.0 x 10-4 M c. 1.8 x 10-5 M d. 6.0 x 10-5 M

Q: what is the pH of 1.0 x 108 M solution of H2S04? Ka for the reaction is100 Select one: О а. 8.00 ОБ.…

A: In order to calculate the pH we first write down the given data: Concentration of the acid= 10-8 M.…

Q: 7.16 (a) What are the conjugate bases of the acids HF, [HSO,]¯, [Fe(OH,)J³+ and [NH,]+? (b) What are…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first 3 sub-parts of…

Q: A 0.045 0 M solution of HA has a pH of 2.78. Find pKa for HA.

A: Given, initial concentration of HA = 0.0450 M             pH = 2.78 We know that, pH can be…

Q: The pH of an aqueous solution of weak monoprotic acid is 3.15. What is the initial…

A: All the details are explained in handwritten solution.

Q: What is the pH of the methylammonium iodide solution? CH3NH3 + H₂O CH3NH₂ + H3O+ [CH3NH31] = 2.5 ×…

A: Given :  [CH3NH3I] = 2.5 x 10-1 M  Kb of CH3NH2 = 4.4 x 10-4

Q: What is the pH of a solution of 0.300 M HNO₂ containing 0.100 M NaNO₂? (Ka of HNO₂ is 4.5 × 10⁻⁴)

A: Ka = 4.5*10^-4 (given) pKa = – log [ Ka ] = – log(4.5*10^-4) = 3.347 Now, By using Henderson…

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: For a water sample with a bicarbonate ion concentration of 50 mg/L and a CO2 content of 30 mg/L: a)…

A:

Q: A solution of PbI2, has an Iodide concentration [I−]=3.0×10−3. 1.a) Write out the equilibrium…

A: Given data contains, The given compound is PbI2. Concentration of iodide is 3.0×10−3.

Q: 23). A solution with a pOH of 4.3 has a [H] of a). 6.8 x 10 M. c) 4.8 x 10* M. b). 3.2 х 10+ м. d)…

A: Given data: The pOH value = 4.3. To find: [H+]

Q: You have a 2.00 × 10−4 M solution of HNO3 at 25 °C. What is [OH−] in this solution?  A.  2.00 ×…

A:

Q: What is [H30+] in a solution of 0.25 M CH3CO2H and 0.030 M NaCH3CO2? CH3CO,H(aq) + H20(1) = H30*(aq)…

A: Acetic acid and sodium acetate form buffer solution

Q: 15 min. (PhP. (Ph):P=0 r.t.

A:

Q: What will be the [H*] in a 0.50 M solution of HCIO? The Ka of HCIO = 3.5 x 10-8 A) 1.8 x 10-8 M B)…

A:

Q: H2A is a weak acid. What is [A2j in a 0.10 M H2A solution? [Ka1 = 5.4 x 10-6; K a2 = 5.8 x 10-10 %3D…

A:

Q: addition of a small amount of HNO3 to a solution containing CN- ions and HCN?

A: We will explain change in solution upon addition of HNO3

Q: What is the concentration [H3O+] in a solution that contains 0.15M in NaF and 0.25 M in HF

A:

Q: Calculate the pOH of a 1.0 L solution containing 0.058 g of Mg(OH)2 (mol. wt. 58 g/mol). 3. O 7.0 О…

A:

Q: What is the hydronium ion concentration in 0.275 M nitrous acid? Ka= 7.1x10^-4

A: We have to predict the hydronium ion concentration.

Q: A wine was tested for acidity, and its pH was found to be 3.23 at 25°C. What is the hydronium ion…

A: The solution is given below -

Q: Fp_351 1. The [H30*] in a cabernet sauvignon wine is 5.9 x 104 M. What is the (-OH] in this wine? 2.…

A: Solution of first three question are given below. As per our guidelines, we can only solve first…

Q: What is the pH of a solution made by adding 5.0 mL of 0.80 M NaOH to a 10.0 mL solution of 1.0 M…

A:

Q: 9. If only 0.9% of 0.50 M solution of a weak base was ionized. Calculate its Kb value? * 1.6 x 104…

A:

Q: 5.796

A: Kb = 10-pKb  Kb = 10-5.796 Kb = 1.6 • 10^-6

Q: 28. Sulfuric acid is a strong acid: H2SO4(aq) + H20(e) 2 HSO41-(aq) + H3O1+(aq). What is the…

A: Any strong acid dissociates completely in aqueous solution. For example consider a strong acid like…

Q: What is the pOH of 0.92 M RBCIO4?

A: Given : Concentration of RbClO4 = 0.92 M

Q: At which pH is most of the carbon species H2CO3? А. 2 В. 7 С. 10.33 D. 14 8. Which one is a better…

A:

Q: What is the H 3O + concentration in 0.0055  M Ba(OH) 2(aq) at 25 °C? ( K w = 1.01 × 10 –14)?   a.…

A: Kw = 1.01e-14 Concentration of barium hydroxide = 0.0055 M Concentration of H3O+ ion = ?

Q: A weak acid. What is the pHpH of a 0.1 M0.1 M solution of acetic acid (pKa=4.75)?(pK, = 4.75)? %3D

A: Given that,  Concentration of acetic acid = 0.1 M pKa of acetic acid = 4.75 pKa is given by:   pKa =…

Q: . How to prepare a 100 ml solution of a 0.01 M of methylene blue (show solution) B. Can methylene…

A: Methylene blue is available as pure solid crystals that we can use to prepare 100 mL of 0.01 M…

Q: Determine the [H+] in a 0.0244 M HCIO solution. The Ka of HCIO is 2.9 x 10 a. 1.61 D'2.7 x 10-5 C.…

A:

Q: 5 ml of a 0.2 M NH3 solution are added to 5 ml of a 0.1 M NHẠCI solution (Kb for NH3 is = 1.8 ×…

A: Answer: Buffer solution is a type of solution that resists the change in its pH on adding small…

Q: A 0.355 M solution of bisulfide has a pH of 10.00. What is the Kb of bisulfide?   a. 2.8 × 10-8…

A:

Q: A saturated solution of hydrazoic acid, HN3, has a pH of 3.10. How many grams of HN3 are needed in a…

A: Consider the equilibrium reaction as;                  HN3 aq     ⇌     H+ aq    +    N3- aqInitial:…

Q: 0.215 M solution of acetate has a pH of 9.00. What is the Kb of acetate?

A:

Q: For H2CO3, pKa1-6.35 and pKa2=10.33. If the pH of an aqueous solution initially containing 0.10 M…

A:

Q: A solution of hydrazoic acid, HN3 (43.03 mg/mmol), a colorless, volatile, and explosive liquid, was…

A:

Q: Calculate the pH of the solution after the addition of each of the given amounts of  0.0603 M HNO3…

A:

Q: Which of the following ions will react with water in a hydrolysis reaction: OA SO42- O B. Zn2+…

A: Acid is substance which release hydrogen ions and base is substance which release hydroxyl ions when…

Q: 25) Consider 0.14 M monoprotic acid (HA) that is 12% ionized. (a) Show the reaction of dissociation…

A:

Q: What is the [H30*] concentration for a solution where [OH] = 2.3 x 103 M? Kw = 1.0 x 1014 [H3O*][OH]…

A: Given  [ OH- ]     =  2.3 × 10-3 M  Kw              = 1 × 10-14  [ H3O+ ]  =  ?

Q: Calculate the percent ionization of a 0.394 M solution of nitrous acid.

A: As per guidelines if multiple questions first question is allowed to answer, please post question…

Q: How does the addition of aqueous NH3 to a solution separate and identify Cut and Bi ions? Why…

A: We have to tell how ammonia help in seperation of Cu²+ and Bi³+ whereas KOH can not

Q: for a 0.10 M solution of a weak acid, HA, with pKa=10, which of the following is true? a. [HA]=[A-]…

A: Weak acids undergo partial dissociation in water.

Q: calculate the PH and the POH FOR solution OF HNO₂ a Ki FOR AM₂ = 5₁1x10-7 .00841

A: 0.0084 M solution of HNO2 has a Ki of 5.1 × 10-4 .We have to calculate the value of pH and pOH .

Q: The pH of an aqueous solution of weak monoprotic acid is 3.15. What is the initial…

A: Given that  pH of weak monoprotic acid = 3.15  pKa for weak monoprotic acid = 5.74 For weak acid, pH…

Q: What is the concentration of free Ag+ in 3.7099e-4 M AgNO3 and 1.4440 M NaCN? Ag+ + 2 CN− →…

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

Q: 1. Determine the total alkalinity in mg CaCO3/L given the following: а. [HCO;]= 5.0x-$ M [CO3?]=…

A: pH is used to determine the concentration of hydronium ion.

Q: 9 what is the PH of a 2.5 M solutien ef CH, NH, CI ? CHgNHz pkb = 3.35) %3D

A:

Q: Calculate [OH⁻] in a solution obtained by adding 1.50 g solid KOH to 1.00 L of 10.0 M NH₃. (Kb of…

A: Given: mass of KOH = 1.5 g volume = 1.0 L Molarity = 10.0 M NH3 Kb of NH3 = 1.80×10-5  moles of NH3…