Consider an 50.0 mL analyte solution containing 0.50 g of KHP, titrated against 0.10 M sodium hydroxide, NaOH  (a) Based on the information you have for the hydrogen phthalate ion HP– and the fact that Kw = 1.0 × 10−14 at room temperature, what is the Kb of the phthalate ion P2–? Write the chemical equation that has a Kc equal to Kb you just calculated. (b) What is the pH of the solution at the equivalence point at room temperature? (c) Sketch the beaker again at 50% past the equivalence point. What is the pH of the solution at room temperature?

Q: A solution of phosphoric acid (HsPO.) with a known concentration of 0.250 M H.PO, is itrated with a…

A: Acid-base reaction :  H3PO4  + 3 NaOH  -->  Na3PO4  + 3 H2O  At equivalents point  Ma Va / na…

Q: What volume of 5.87 x 10-1 molar phosphoric acid, H3PO4 , is required to reach equivalence with…

A: Given : Concentration of H3PO4 = 5.87 X 10-1 M = 0.587 M Concentration of NaOH = 4.00 X 10-1 M =…

Q: > Calculate the percent of acetic acid in a 20 mL vinegar sample. Titration was used, and it took…

A: Given data is Volume of the vinegar sample = 20 mL  Volume of NaOH used in the titration= 35.19 mL…

Q: It takes 37.4 mL of 0.212 M NaOH to neutralize 10.0 mL of aqueous H2SO4.  What is the concentration…

A: The reaction taking place between H2SO4 and NaOH is,

Q: In an acid-base titration, 27.27 mL of H2SO4 were used to neutralize 35.89 mL of 0.303 M NaOH. What…

A:

Q: In the atoms of an aqueous 1 M solution of NaCl, are there ony Na+ions and Cl-ions present?

A: Aqueous NaCl solution means , NaCl solution in water. If water is solvent then the solution is…

Q: It requires 10.75 mL of 1.05 M Ba(OH)2 to neutralize (titrate) a 35.00 mL sample of HX. What is the…

A: Neutralization reaction : In a acid-base reaction when same equivalent of acid reacts with same…

Q: The hydroxide ion concentration, [OH-], of an aqueous solution of 0.324 M hydroxylamine (a weak base…

A: Concentration of hydroxylamine = 0.324 M Kb of hydroxylamine =9.1×10-9 “Since you have posted…

Q: A 150.0 ml sample of ethylamine has a pH of 11.55. K-4.3x10-5 [H₂p]. (a) What is the concentration…

A: As you asked a question with multiple subparts, we will answer first 3 subparts for you. To get…

Q: It takes 37.4 mL of 0.212 M NaOH to neutralize 10.0 mL of aqueous H2SO4.  What is the concentration…

A: The balanced neutralisation reaction taking place is 2 NaOH + H2SO4 --------> Na2SO4 + 2 H2O…

Q: A student titrates a weak acid with 0.100 M NaOH, adding 31.65 mL before a dark pink color is seen.…

A: The mole of H+ ion the weak acid is equal to the mole of NaOH used in the titration.  The molarity…

Q: 2- Suppose a 0.12M aqueous solution of phosphoric acid (H3PO4) is prepared. Calculate the…

A: Step 1: Dissociation of Phosphoric AcidPhosphoric acid H3​PO4​ is a triprotic acid, which means it…

Q: A chemistry graduate student is given 250. mL of a 0.10M propanoic acid (HC₂H,CO₂) solution.…

A:

Q: Consider the reaction of a 20.0 mL of 0.220 M C₅H₅NHCl (Ka = 5.9 x 10⁻⁶) with 12.0 mL of 0.211 M…

A: The question is to write the Net - Ionic Equation. Therefore, the answer to the following question…

Q: you mix together 50.0 mL of 0.25 M (NH4)2S and 50.0 mL of 0.20 M NH4Cl. What will the resulting…

A:

Q: 3a. (2)A student prepared a 0.0750 M NaOH solution for a titration experiment. If it took 25.52 ml…

A: Here in a titration 25.52 ml of NaOH aqueous solution is consumed at equivalent point when titrated…

Q: A titration involves adding a reactant of known quantity to a solution of an another reactant while…

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

Q: A student titrates a weak acid with 0.100 M NaOH, adding 34.84 mL before a dark pink color is seen.…

A: Calculation of no. of mol of NaOH: No. of mol=Molarity×Volume=0.100 mol/L×34.84×10-3 L=3.484 ×10-3…

Q: Determine the molar concentration of each ion present in the solutions that result from each of the…

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

Q: In this assignment, you will determine the mass % of an unknown sample of baking soda (NaHCO3) by…

A: Given: mass of NaHCO3 sample = 1.500 g Concentration of HCl = 0.3015 M Volume of HCl = 43 mL molar…

Q: It requires 7.65 mL of 0.100 M HCl solution to neutralize (titrate) 25.00 mL of Ba(OH)2 solution.…

A:

Q: take a 25.00 mL sample of 0.150 M hypochlorus acid and to it add 10 mL of 0.130 M NaOH. What is the…

A:

Q: n an experiment, a 500.0 mL solution of approximately 0.250 M KOH (56.106 g/mol) solution was…

A:

Q: Consider a titration where 0.215 M potassium hydroxide is added from a burette to 10.00 mL of…

A: The titration between a strong base, KOH, and a strong acid, HCl results in the formation of a…

Q: 55.0 mL of 1.20 M H2SO4 is added to a 39.5 mL of 2.00 M LiOH. The balanced chemical equation for the…

A: The balanced reaction given is, => H2SO4 (aq) + 2 LiOH (aq) ------> Li2SO4 (aq) + 2 H2O (l)…

Q: (3)) To adjust a NaOH solution, 0.1128 g H2C2O4 2H20 is weighed and dissolved in 25.0 mL of…

A: The given mass of oxalic acid dihydrate is 0.1128 g. The molar mass of oxalic acid dihydrate is…

Q: Consider a buffer consisting of 1.0 M HNO2 and 2.0 M NaNO. Write the (net ionic) chemical equation…

A:

Q: 6) In a titration experiment, a student finds that 25 mL of NaOH solution are needed to neutralize…

A: Given : Volume of NaOH solution required = 25 mL = 0.025 L                           (Since 1 L =…

Q: A 50.0 mL solution of Ca(OH)₂ with an unknown concentration was titrated with 0.340 M HNO₃. To reach…

A: Given data, Volume of Ca(OH)2 solution = 50.0 mL Molarity of HNO3 = 0.340 M Volume of HNO3 at…

Q: What volume of a 0.462 M NaOH solution would be required to titrate 2.85 g of pure KHP

A: In acid base titration, all H+ neutralised by OH- . Here from mass of KHP we can determine moles of…

Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs…

A: Given data :

Q: each

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

Q: What volume of 2.5 M H3PO4 (aq) would be required to neutralize 2.50 mL of 1.5 M NaOH? НЗРО4 (аg) +…

A: The required volume  = 0.5 mL

Q: It is found that 41.27 ml of 0.2017 M NaOH is required to neutralize 25.00 ml of HNO3 solution in a…

A: Given : Molarity of NaOH = 0.2017 M Volume of NaOH solution required = 41.27 mL And volume of HNO3…

Q: You are preparing standard acid and base solutions for the laboratory, using potassium hydrogen…

A: When solutions are prepared for particular for titrations, it order to confirm the concentration of…

Q: 50.0 mL solution is prepared to be 1.29 M acetylsalicylic acid. In the first step, 8.55 mL of NaOH…

A: Volume of solution = 50.0ml  Volume of NaOH = 8.55 ml

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.