A 0.338-g sample of an unknown triprotic acid is titrated to the third equivalence point using 33.4 mL of 0.163M NaOH. Calculate the molar mass of the acid.     Question 1 options:   A)  5.44 g/mol   B)  1.86× 102 g/mol   C)  20.7 g/mol   D)  69.3 g/mol   E)  62.1 g/mol

Q: What volume (in mLmL) of 0.200  M NaOHM NaOH do we need to titrate 36.00 mLmL of 0.140  M HBrM HBr…

A:

Q: Adding HCL to buffer had a much larger change in pH than adding HCL in pure water. True or false

A: A buffer solution consists of a weak acid and its salt or a weak base and its salt which helps to…

Q: A 25.0 mL sample of a saturated Ca(OH)2 solution is titrated with 0.028 M HCI, and the equivalence…

A: Given, Volume of Calcium hydroxide, Ca(OH)2 , V1= 25.0 mL = 0.025 L Molarity of HCl solution, M2=…

Q: Which one of the following titrations is expected to have a pH < 7 at the equivalence point? A) HNO3…

A: A solution is said to be acidic when the pH of the solution is found to be less than 7 and for a…

Q: What is the pH of a buffer solution made by adding 0.2 M of NaF to a 0.40 M solution of HF?  Assume…

A: Given data, Ka = 6.9 × 10-4  Concentration of salt (NaF), [NaF] = 0.2 M Concentration of acid (HF),…

Q: A 0.338 g sample of an unknown triprotic acid dissolved in water is titrated to the third…

A: In the balance chemical reaction the reactants react and the products form in the molar ratio of…

Q: Draw a titration curve of a strong acid being titrated with a strong base and identify the…

A: titration is the process through which we determine the concentration of unknown solution by…

Q: A 0.288-g sample of an unknown monoprotic acid is dissolved in water and titratedwith a 0.115 M…

A: The objective of this question is to determine the molar mass of an unknown monoprotic acid. The…

Q: Question 5 - Calculate the pH of a buffer produced by mixing 50 mL of a 0.1M solution of sodium…

A:

Q: Amy combined 10.0 mL of 0.5 M HCI with 5.0 mL of 2.0 M NAOH. Will the reaction have reached its…

A: The strong acid and strong base react with each other completely . When the strong acid such as HCl…

Q: mL of NaOH

A:

Q: A 25.0 mL sample of a saturated Ca(OH)2 solution is titrated with 0.023 M HC1, and the equivalence…

A: Calcium hydroxide reacts with hydrochloric acid to form calcium chloride and water. The equation for…

Q: Question 4 50.0-mL of a 0.0319 M weak base B solution was titrated with 0.0500 M HCI. Calculate the…

A: The question is based on the concept of the pH of the solution.It is defined as a negative logarithm…

Q: Question 10 Which of the following statements about buffered solu- tions are true? Select all that…

A: Buffer solution: A buffer solutions is an aqueous solution consisting of a mixture of a weak base…

Q: Question 1 of 16 A student must make a buffer solution with a pH of 7.00. Determine which weak acid…

A: The objective of the question is toIdentify the weak acid.Identify the conjugate base.Calculate the…

Q: D) Mixing 5 mL of 1 M HNO3 with 10 mL of 1 M NaHCO3

A: Given buffer solution is acidic buffer. And acidic buffer solution is solution of weak acid and its…

Q: 7-The titration curve shown below describes 14.0 10.0 6.0 40 20 0.0 0.0 5.0 10.0 15.0 20.0 25.0 20.0…

A: Following are the titration curves of strong acid , strong base, weak diaprotic base ,weak diaprotic…

Q: How many mL of 0.13 M NaOH have to be added to reach the equivalence point when 15.00 mL of 0.14 M…

A: Here 3H+ neutralizing with 1OH- thus the formula is:- 3M1V1(NaOH)= M2V2(H3PO4)

Q: 4. Calculate the pOH when 35.0 ml of 0.650 M HF is mixed with 15.0 ml of 0.125 M KOH. K, = 7.1 x 10*…

A:

Q: How many mL of 0.24 M NaOH have to be added to reach the equivalence point when 15.00 mL of 0.24 M…

A:

Q: 15.84 mL of 0.250 mol/L phosphoric acid was titrated into 10.00 mL of magnesium hydroxide.…

A: Phosphoric acid is a polybasic acid.   The reaction will be:-  2H3PO4+3Mg(OH)2→Mg3(PO4)2+6H2O

Q: Which of the following mixtures would result in a buffered solution when 1.0 L of each of the two…

A: Ans D

Q: 9. Sketch a titration curve for the following types of tirations (with the base as the titrant).…

A: The nature of the curves and position of equivalence point for the titration of acids and bases…

Q: actually added to 1 tablet (L) *Concentration (M) of HCI Report to 4 sig figs Expand M out to a…

A:

Q: A solution of HA (0.192M; 59.1 mL; Kb = 3.4^-5) is titrated with 0.4608 KOH Determine the pH at the…

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

Q: Determine the pH change when 0.117 mol NaOH is added to 1.00 L of a buffer solution that is 0.422 M…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: An aqueous solution contains 0.22 M ammonium perchlorate. One liter of this solution could be…

A:

Q: At what volume of  NaOH titrant (in mL) is the equivalence point reached when 10.0 mL of 1.00M HCl…

A: An unknown concentration of one solution is determined from the known concentration of other…

Q: A 19.8 mL sample of a 0.412 M aqueous hydrocyanic acid solution is titrated with a 0.327 M aqueous…

A: Given -&gt; Volume of HCN = 19.8 ml  Molarity of HCN = 0.412 M  Molarity of NaOH = 0.327 M

Q: Question 4: 20.0 mL of a 0.300 mol / L solution of cyanuric acid (HCN, pKa = 9.21) is titrated with…

A: Given data,Molarity of HCN=0.300mol/LVolume of HCN=20.0mLMolarity of NaOH=0.150mol/LpKa of HCN=9.21

Q: In a titration of 75.0 mL of a 0.500 M solution of a diprotic acid H,C H,O, (malonic acid) with…

A:

Q: A 25.0 mL sample of a saturated Ca(OH)2 solution is titrated with 0.026 M HCl, and the equivalence…

A:

Q: Aspirin (C 9H 8O 4) is a weak monoprotic acid (K a = 3.3 x 10-4). You are analyzing a sample for a…

A: The question is based on the concept of pH of the solution.  It is defined as a negative logarithm…

Q: Which of the following titrations result in a basic solution at the equivalence point? NH3 + HCIO4…

A:

Q: A student is titrating a 100 mL of 0.50 M solution of hydrofluoric acid (HF) with 1.0 M strong base…

A: a) HF + NaOH → NaF + H2O     F- + H2O ⇌ HF + OH- At equivalence point solutioncontains Na+ , F- ,…

Q: Which of the following would result in a buffered solution when 1.0 L of each are mixed   Question…

A:

Q: In a particular titration experiment a 30.0 mL sample of an unknown monoprotic acid required 25.0 mL…

A: The volume of monoprotic acid = 30.0 mL = 30.0/1000 L = 0.030 L The volume of NaOH = 25.0 mL =…

Q: When a 16.4 mL sample of a 0.303 M aqueous hydrofluoric acid solution is titrated with a 0.424 M…

A:

Q: Macmillan Learning Select the statements that describe a method which can be used to make a buffer.…

A: Buffer solution is a water solvent based solution which consists of a mixture containing a weak acid…

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.