uppose a solution of NaOH was titrated and found to have a molarity of 0.250 M. This solution is now used to titrate 25.00 mL of an unknown H2SO4 solution: H2SO4(aq) + 2NaOH(aq) -> 2H2O(l) + Na2SO4(aq) If 10.00 mL of the NaOH solution were needed to reach the phenolphthalein endpoint a) how many moles of NaOH were used in the titration? b) how many moles of H2SO4 were neutralized? c) what is the molarity of the unknown H2SO4 solution?

Q: An analytical chemist weighs out  0.097g  of an unknown triprotic acid into a  250mL  volumetric…

A:

Q: NH3 + H3O+ →>> NH; + H2O 25.0 mL of the 0.0220 M NH3 was titrated with 0.010 M HBr. It took 55.0 mL…

A: HBr is a monoprotic strong acid. NH3 is a monoacidic weak base.

Q: Assume the titrations today used a known HCl concentration of 0.1 M. Using the experimental data…

A: At equivalence point, MHClVHCl=MNaOHVNaOH

Q: 15.0 mL of phosphoric is titrated with 28.3 mL of a 0.520 M solution of potassium hydroxide. What is…

A: Given that: Volume of phosphoric acid = 15.0 mL Volume of Potassium hydroxide = 28.3 mL Molarity of…

Q: the solutions are additive and that Kp = 4.4 x 104 for methylamine.

A: The question is based on the concept of EQUILIBRIUM. we have to calculate pH of the solution…

Q: In a titration of 11.5 mL of a 0.425 M solution of a diprotic acid H₂C₄H₄O₆ (tartaric acid) with…

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Q: If you have 6.76 g of caffeine dissolved in 57.2 mL of water and the extraction coefficient between…

A: Extraction is a technique by which a compound dissolved in a solvent is extracted into another…

Q: Calculate an unknown concentration of a NaOH solution if 0.224 g of oxalic acid, H2C2O4*2H2O,…

A: Molar mass of H2C2O4.2H2O = 126 g/mol Calculation of no. of mol of Oxalic Acid: According to the…

Q: An analytical chemist is titrating 158.1 mL of a 1.100M solution of benzoic acid (HC6H₂CO₂) with a…

A: The volume of the benzoic acid solution = The concentration of the benzoic acid solution = The…

Q: A 0.263 g sample of Na2CO3 requires 28.35 mL of HCl to completely react with it. What is the pH of…

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Q: If a student is titrating 10.0 mL of 1 M HNO3 with 1M NaOH and another students is  titrating 10.0…

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Q: Aniline, C6H5NH2₂, is a weak base that is commonly used in the preparation of precursors for…

A: we have to calculate  moles of aniline  volume of HCl at equivalence point  pH at the equivalence…

Q: A student was given a 0.15 M solution of an unknown diprotic acid H2A and asked to determine the Ka1…

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Q: 11. A 80 mL solution containing 0.25 M formic acid (HCOOH) and 0 35 M sodium ascorbate (NaCoH;Oe)…

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Q: Draw the Lewis Dot structure for the following diprotic acid: HOOC-(CH2)2-COOH. 46.3 mL of a 0.099 M…

A: Given that : We have to draw the Lewis Dot Structure for the following diprotic acid:…

Q: Suppose that 80.0 mL of an aqueous 0.200 M methylamine, CH3NH2(aq), is titrated with a 0.400 M…

A: The relation between pH and concentration of  acid and its conjugate base is calculated using the…

Q: A 44.6 mL of 0.103 M HCI is added to an antacid sample. The solution is titrated to a bromophenol…

A: Given, Volume of HCl = 44.6 mL = 0.0446 L   (1mL = 0.001 L) Molarity of HCl = 0.103 M = 0.103 mol/L…

Q: A 50.00 mL sample of the weak acid CH3COOH (aq) at an initial concentration of 0.1000 M is titrated…

A: From Henderson hesselbalch equation,                                        pH = pKa +  log…

Q: A 50.00-mL sample of a 1.00 M solution of the diprotic acid H2A (Ka1 = 1.0 × 10–6 and Ka2 = 1.0 ×…

A:

Q: If 25.0 ml of HF (aq) ( a weak acid) is titrated to an equivalence point with a solution of NaOH…

A: To select the correct statement about the pH at the equivalence point when a 25.0 mL of HF is…

Q: A 0.100 L solution is composed of 0.500 M (CH3)2NH and 0.500 M (CH3)2NH2Cl at 25 oC. What is the pH…

A: The objective of the question is to calculate the pH of the solution after the addition of .A buffer…

Q: 8) If 100.0 mL of 0.250 M HBr is titrated with 0.150 M KOH answer the following questions. a) What…

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

Q: Part b and C What volume of 0.110 M HCI is required for the complete neutralization of 1.10 g of Na2…

A: From the balanced chemical reaction between HCl and Na2CO3, we can solve these problems. 2HCl +…

Q: A solution of HCl with a volume of 25.00 mL is titrated to the endpoint, with 0.250 M NaOH. If it…

A: Given:HCl (aq) + NaOH (aq) H2O (l) + NaCl (aq)Concentration (M1) of NaOH = 0.250 MVolume (V1) of…

Q: An analytical chemist is titrating 187.2 mL of a 0.7600M solution of butanoic acid (HC3H7CO2) with a…

A: To calculate the pH of the solution during the titration, we can follow these steps:1. Calculate the…

Q: Consider that 20.0 mL of 0.10 M HA (an arbitrary weak acid, Ka= 1.5 × 10−6) is titrated with 0.10 M…

A: we have to calculate the pH of solution   after the addition of 5.0 mL of 0.10 M NaOH  after the…

Q: In a titration of 80.0 mL of a 0.500 M solution of the diprotic acid H₂C3H₂O4 (malonic acid) with…

A: The balanced equation for the titration is H2C3H2O4(aq) + 2NaOH →Na2C3H2O4 (aq)+2 H2O(l)

Q: Given 1.00 L of a solution that is 0.100 M in sodium propionate (NaC3H5O2) and 0.300 M in propionic…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base . it…

Q: Consider the following reaction: CH3​COOH(aq)+OH−(aq)CH3​COO−(aq)+H2​O(l)       See Periodic Table…

A:

Q: How can we answer this question: 1) Equal volumes of 1 M solutions of citric acid, sodium citrate,…

A: A weak acid shows that doesn't ionize promptly in an aqueous solution. The weak acids contain low…

Q: A chemist titrates 140.0 mL of a 0.4386 M hydrochloric acid (HCl) solution with 0.3241 M KOH…

A: Step 1:At equivalence moles of HCl and NaOH are equal   Step 2: Step 3: Step 4:

Q: Aspirin (acetylsalicylic acid, HC₉H₇O₄) has a value of Ka equal to 3.3 × 10⁻⁴. What is the pH after…

A:

Q: A chemistry graduate student is given 100. mL of a 1.40M methylamine (CH3NH2) solution. Methylamine…

A: pKb  = - log Kb            =  - log (4.4  * 10-4 )          = 3.36pKa = 14-pKb       = 14- 3.36…

Q: what is the pH of a solution prepared by adding 63.6 mL of 0.100 M sodium hydroxide to 69.37 mL of…

A: Given that : The volume of sodium hydroxide = 63.6 mL The molarity of sodium hydroxide = 0.100 M The…

Q: The next 11 questions are related to the titration of 40.00 mL of a 0.0900 M acetic acid solution…

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Q: What is the pH of a solution prepared by mixing 500 mL of 1.5 M HF with 400mL of 1.00 M NaF? The Ka…

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Q: What is the pH of 1.000 L of a solution of 100.0 g of glutamic acid (C5H9NO4, a diprotic acid; K1 =…

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Q: The pH of a 8.3×10-2-M solution of phthalic acid (H2C8H4O4) is measured to be 2.03. Use this…

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Q: An analytical chemist is titrating 123.0 mL of a 0.1500M solution of dimethylamine ((CH3)₂NH) with a…

A: Dimethyl amine is a base , so when a solution is acid , HNO3 is added, they will react to form salt…

Q: A student has a sample of 0.50 M lactic acid (HC 3H5O 3). She adds 10 mL of this solution to 40 mL…

A: The objective of the question is to write a chemical reaction for the dissociation of lactic acid in…

Q: The organic compound trishydroxymethylaminomethane is abbreviated Tris and is basic. The conjugate…

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Q: 2 An analytical chemist is titrating 72.5 mL of a 0.6200M solution of propionic acid (HC,H,CO,) with…

A: In first step, we calculate moles of acid and base by multiplying their molarity with volumes. nbase…

Q: An analytical chemist is titrating 101.8 mL of a 1.100M solution of benzoic acid (HC HCO₂) with a…

A: A solution of benzoic acid 1.100M x 101.8ml = 111.98 mmol  is titrated with 0.2600 M × 514.6 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.