What will the pH be when I take a 25 ml aliquot of 0.1023mol/L H3PO4 (The ka values for phosphoric acid are 6.9*10-3, 6.2*10-8 and 4.8*10-13) and add 0.0878 mol/L NaOH in the following amounts? A) 10 ml NaOH B) 30 mL NaOH C) 60 mL NaOH D) 100 mL NaOH

Q: Which acid is the strongest when dissolved in water? K, values are listed next to the acid. Select…

A: According to Arrhenius concept,An acid is a substance i.e. when dissolved in water gives H+ ions .…

Q: Calculate the pH of 50.0 ml of 0.250 M oxalic acid (HOOCCOOH) upon addition of 15 mL of 0.500 M…

A: Oxalic acid is a diprotic weak acid, whereas monoacidic NaOH is a strong base. Given the volume of…

Q: Given Ka for HNO2 = 5.0 * 10 ^ - 4 1. What is the pH after the reaction of 30.0 mL of 0.25 M HBr…

A: Q1) According to the law of equivalence, an acid exactly neutralizes the same number of equivalents…

Q: Q1// A buffer solution prepared by adding adequate amount of Acetic acid and Sodium acetate to…

A: Firstly we will calculate pH of buffer solution  CH3COOH - CH3COONa CH3COOH (aq) + H2O (l)⇌H3O+​…

Q: You plan to make a buffer solution with sulfurous acid (H₂SO) and it undergoes dissociation reaction…

A: Henderson-Hasselbalch equation is used to prepare a buffer solution of desired pH: Desired pH is…

Q: 7) Oxalic acid is the simplest diprotic organic acid. How many milliliters of 0.800 M KOH should be…

A: Calculation as shown below

Q: 9. To prepare a basic buffer of pH=10 how many grams of NH,Cl would you add to 100 ml of 0.1 M NH¸OH…

A: The Henderson Hasselbalch equation for basic buffer is given as:

Q: Given the data for the following separate titrations, calculate the molarity of the NaOH: mL HCI…

A:

Q: A mixture of 50mL of 1.2M HF and 50mL of 0.6M NaOH. What is the pH of the mixture? (pka of HF = 3.13…

A: pKa of HF = 3.13Molarity of HF = 1.2 M= 1.2 mo/LMolarity of NaOH = 0.6 M= 0.6 mol/L

Q: Ka for benzoic acid, c6h5cooh, 6.5x10^-5. Calculate the pH of solution after addition of the…

A: a. The balanced equation for this reaction is given as,

Q: KHP(aq) + NaOH(aq) -> H2O (l) + KNaP(aq) 1. If we forgot to add the phenolphthalein indicator, why…

A: 1. If we forgot to add the phenolphthalein indicator, we will be unable to determine the NaOH…

Q: Determine the pH at the point in the titration of 40.0 mL of 0.200 M H2NNH2 with 0.100 M HNO3 after…

A: To calculate pH , first we would draw BCA table.  For this first Calculate moles of both acid and…

Q: 9) Concentrated sulfuric acid has a density of 1.84 g/cm³ and is 95.0% (mass) H2SO4. Recall this is…

A: Given,  Density = 1.84 g/cm3 %Mass = 95%

Q: 2. Acetic acid has a K₂ of 1.8 x 105. What is the concentration of H* ions in a 0.20 M acetic acid…

A:

Q: In determining the pH of 0.010M solution of weak acid, HCNO, which equations are relevant in the…

A: Ka= 3.47x 10-4

Q: If a 0.1552 M HCl caq) solution is used by a Scientist to titrate 10.00 mL of a the titration weak…

A: Given data, Molarity of HCl = 0.1552 M Volume of weak base = 10 mL

Q: I need the answer as soon as possible

A: "Part A of question is incomplete, as volume of NH4OH is not given. So if you want  part A to be…

Q: Please calculate the pH of a buffer solution made up of citric acid and potassium citrate. The…

A: The solution of sodium citrate and citric acid is acidic buffer solution.Henderson equation for…

Q: How many moles of NH4Cl must be added to 1.0 L of a 0.050-M solution of NH3 to give a buffer…

A:

Q: The following question refers to the buffer system: A 1.0-liter solution contains 0.35 M HNO2 and…

A: Buffer solution is that which resists change in pH when small amount of acid or base is added to it.…