3.3. Calculate the pH of the solution prepared by adding 35.00 mL of 0.4211 M NAOH and 63.00 mL of 0.08352 M HCI.

Q: The pH of pure water at 80C is 6.31. What is the Kw at 80C

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Q: When 0.412 g of a weak base with Kb = 3.10 ×10-5 the base is dissolved in 1.00 L of solution, it has…

A: Assuming the molar mass is M  Hence moles of base = mass / molar mass = 0.412 / M And concentration…

Q: pH of the solution that results when 20.0 mL of 0.175 45.0 mL with distilled water.

A: Givrn, Ka(Formic acid) = 3.74 M1 = 0.1750 M Volume (V1) = 20.0 mL V2 = 45.0 mL Using dilution law,…

Q: the pH of the solution?

A:

Q: Calculate the oh of a solution that is prepared by adding 45.0 m, of 0.050M HI to 25.0 ml of 0.050M…

A: Given: The volume of HI = 45 mL. The volume of Ba(OH)2  25 mL. The concentration of HI = 0.05 M. The…

Q: When 14.08 mL of 0.1594 M NaOH is added to 25.00 mL of 0.1235 M HX (an unknown weak acid), the…

A:

Q: A solution is made by dissolving 35.5 g of Ba(NO₂)₂ in 500.0 mL of water. Using Kb(NO₂⁻) = 2.2 ×…

A: Ba(NO2)2 is a salt which is mixture or strong base or weak acid so use pH of salt formula to get…

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: Sodium benzoate, NaC6H5COO (molar mass 144.1 g mol-1) is a common food preservative. The Ka of…

A: given - volume of NaC6H5COO = V1 = 25 ml volume of HCl = V2 = 16.67 ml conc. of HCl = C2 = 1.20…

Q: Determine the pH of a solution that is 0.15 M CH3COOH and 0.30 M CH3COONa.

A: GivenThe concentration of Acetic acid = 0.15MThe concentration of sodium acetate = 0.30M

Q: A solution is made by dissolving 26.5 g of Ba(NO₂)₂ in 500.0 mL of water. Using Kb(NO₂⁻) = 2.2 ×…

A: Given that, Weight of Ba(NO₂)₂  = 26.5 g Weight of Ba(NO₂)₂  = 26.5 g/261.337 g/mol = 0.1014 mol…

Q: What is the percentage of a total acid expressed as acetic acid (HC2H3O2) in a sample of vinegar if…

A: The quantitative chemical reaction of an acid and a base with each other is known as neutralization…

Q: A students mistakenly titrates 25.0 mL of a 0.20 M H2SO4 solution, with 62.0 mL of a 0.15 M NaOH…

A:

Q: What is the pH of a solution made by mixing 0.30 molNaOH, 0.25 mol Na2HPO4, and 0.20 mol H3PO4 with…

A: Record the given data, 0.20 mol of H3PO4 react with NaOH completely to form 0.20 mol of NaH2PO4 (the…

Q: What volume in mL of 0.1444 M NaOH is required to titrate 15.00 mL of 0.1097 M  acetic acid (HAc)?

A:

Q: Determine the pH of a solution that is 0.20 M CH3COOH and 0.15 M CH3COONa.

A: Given :The solutions given are 0.20 M CH3COOH and 0.15 M CH3COONa.We need to pH of the solution.

Q: A 0.137 M solution of a weak base has a pH of 11.36. What is the base hydrolysis constant, ?b, for…

A:

Q: A drop of phenolphthalein is added to a solution of 1.0 M H2SO4 with a volume of 10.0 mL. The…

A: phenolphthalein is an acid base indicator which is colorless in acidic medium and pink in basic…

Q: When 14.08 mL of 0.1594 M NaOH is added to 25.00 mL of 0.1235 M HX (an unknown weak acid), the…

A: Given, Volume of NaOH = 14.08 mL Molarity of NaOH = 0.1594 M Volume of unknown weak acid =25.00 mL…

Q: Calculate the concentration of phosphoric acid in a solution if 25.0 ml of that solution required…

A: The balanced equation can be shown below

Q: 2-

A: Since pOH =14 + log[H+ ] => [H+] = concentration of H+ ions = 10pOH - 14 = 107.37 - 14 = 2.344 X…

Q: Please Help!! thank you! Calculate the pH of a solution formed by mixing 65 mL of a solution that…

A: Henderson Hasselbalch equation gives the equation to estimate the pH of buffer solution. pH =…

Q: If a buffer solution is 0.200M in a weak acid (?a=9.0×10−5)and 0.550M in its conjugate base, what is…

A: Ka = 9.0 x 10-5  pKa = -log Ka = - log ( 9.0 x 10-5)  pKa = 4.046 [Acid] = 0.200 M  [Conjugate base]…

Q: The pH of 280 mL of a 0.188 M solution of unknown weak base is 11.76.  What is the Kb of this…

A: Determine the pOH of the weak base.

Q: Morpholine is a common additive used for pH adjustment in fossil fuel and nuclear power plant steam…

A:

Q: 5) On an episode of CSI Miami, a murder is committed by pushing a guy into a pool that is "alkali."…

A: Given that: Mass of NaOH added = 36.287 kg Molar mass of NaOH = 40 g/molVolume of pool = 2,500,000 L…

Q: A Moving to the next question prevents changes to this answer. estion 2 What is the pH of the…

A:

Q: (0.1mol) of NaoH was added to 1L of a solution containing a weak acid and its base salt had the same…

A: Answer: Solution weak acid and its basic salt is a buffer solution whose pH is calculated by…

Q: Which of these indicators is best suited to distinguish between a solution that is slightly acidic…

A: How to differentiate between slightly acidic and slightly basic solution with the help indicator?

Q: what volume of sodium hydroxide (0.122M) is needed to titrate 19.83mL of perchloric acid (HClO4)…

A: The reaction between sodium hydroxide (a strong base) and perchloric acid (a strong acid) is an…

Q: If we combine 40.0 mL of a 0.100 M HNO3 solution with 60.0 mL of a 0.100 M ethylamine solution, what…

A:

Q: A 25 Celsius aqueous solution is made by adding 2.31 liters of 0.348 M NaNO2 to 3.36 liters of 0.118…

A: Interpretation: The given question is based on calculation of pH of a given buffer solution. Concept…

Q: A solution is made by mixing 50 mL of 2.0 M K2HPO4 and 25 mL of 2.0 M KH2PO4. The solution is…

A: The relation between the pH of aqueous solution and acid-dissociation is given by the…

Q: A solution is made by dissolving 19.5 g of CH₃NH₃NO₃ in 500.0 mL of water. Using Ka(CH₃NH₃⁺) = 2.3 ×…

A:

Q: If a buffer solution is 0.280 M in a weak acid (?a=1.6×10−5) and 0.510 M in its conjugate base, what…

A:

Q: 2. A solution was prepared by dissolving 3.5 grams of ammonium chloride and 2 grams of ammonium…

A: Given :  Mass of ammonium chloride = 3.5 gm  Mass of ammonium hydroxide = 2 gm  Volume = 450 ml…

Q: When 35.0 mL of 0.300 M hydrobromic acid and 35.0 mL of 0.300 M ammonia are combined, the pH of the…

A: Given molarity of HCI = 0.300 M Volume 35.0 mL = 0.035 L So, Number of moles of HC| = Molarity of…

Q: How many milliliters of 0.500 M NaOH should be added to 10.0 g of tris hydrochloride to give a pH of…

A: Given data contains, Molarity of sodium hydroxide is 0.500 M. Amount of tris hydrochloride is 10.0…

Q: Half a milliliter of concentrated HCI (6) with a density of 1.18 g/ml was taken and diluted to 2…

A: Given,  Volume of HCl in mL = V1 = 0.5 mL  Density of solution = 1.18 g/mL  This solution of HCl is…

Q: What mass of sodium glycolate should be added to 350.0 mL of 1.10 M glycolic acid to produce a…

A: 1- First calculate the concentration of salt :   Salt is, sodium glycolate  We will used the…

Q: 7.5mL of 333mM Tris was added to 192.5ml of water.  The resulting solution was added to 240mL of…

A: The above question is a numerical problem of dilution and the equation used in such case is  M1V1 =…

Q: Z- is a weak base. A 0.548 M aqueous solution of NaZ is prepared. The pH of the solution was 9.52 at…

A:

Q: Codeine, C18H26O3N is the active ingredient in the sedative Paregoric™ and is a weak Brønsted base…

A: A solution involving weak alkali with conjugate salt is addressed as "alkaline buffer solution". On…

Q: 4. When 14.08 mL of 0.1594 M NaOH is added to 25.00 mL of 0.1235 M HX (an unknown weak acid), the…

A: 4. Given that : The volume of NaOH = 14.08 mL The molarity of NaOH = 0.1594 M The volume of weak…

Q: An alkaline solution was prepared with LiOH in such a way that 0.65 g dry LiOH was directly mixed…

A:

Q: Calculate the concentration of the acid, if 13.45 mL of 1M NaOH solution was needed to react with…

A: Given information, Volume (V1) of NaOH = 13.45 mL Concentration (M1) of NaOH = 1 M Volume of acid…

Q: What volume in mL of 0.1152 M NaOH is required to titrate 15.00 mL of 0.1073 M acetic acid (HAc)?

A:

Q: 3. How many mL of 0.340 M HCI would be needed to titrate 14.91 mL of 0.265 M NaOH?

A: Given : Molarity of HCl = 0.340 M  Volume of NaOH = 14.91 ml  Molarity of NaOH = 0.265M