Calculate the volume, in milliliters, 0.170 M NaOH that must be added to 303 mL 0.0471 M 3‑(?N‑Morpholino) propanesulfonic acid (MOPS) to give the solution a pH of7.55. The pKa of MOPS is 7.18.

Q: What is the pH of a solution prepared by dissolving 1.00 g of the weak acid HA (molar mass = 138.95…

A: pH of solution can be found using the henderson-hesselbech equation.

Q: In the laboratory, a general chemistry student measured the pH of a 0.345 M aqueous solution of…

A: The ionization reaction for caffeine is as follows, C8H10N4O2+H2O→HC8H10N4O2++OH- For above…

Q: In the laboratory, a general chemistry student measured the pH of a 0.548 M aqueous solution of…

A:

Q: ) If 5.0 mL of 0.100 M NaOH is added to 100.0 mL of a 0.0500M phosphate buffer solution at pH 7.2,…

A: A solution which resists the change in pH when a small amount of acid or base is added to it,  is…

Q: In the laboratory, a general chemistry student measured the pH of a 0.558 M aqueous solution of…

A:

Q: A solution is prepared by dissolving 0.89 mol of a weak base in 1.00 L of water. The resulting pH at…

A: Dissociation of a weak base and pOH calculation

Q: In the laboratory, a general chemistry student measured the pH of a 0.317 M aqueous solution of…

A: In an aqueous solution of benzoic acid, C6H5COOH (aq)⇔C6H5COO- (aq) + H+ (aq)

Q: In the laboratory, a general chemistry student measured the pH of a 0.468 M aqueous solution of…

A: Methylamine is a weak base and in water, it reacts in the following manner, CH3NH2 + H2O ↔CH3NH3+ +…

Q: In the laboratory, a general chemistry student measured the pH of a 0.458 M aqueous solution of…

A: A numerical problem based on pH calculation, which is to be accomplished.

Q: What is the pH of a solution of 0.400 M CH,NH, containing 0.100 M CH,NH,l? (Kb of CH;NH, is 4.4 x…

A: This is a basic buffer solution. A buffer resist the change in PH of the solution.

Q: What mass (in g) of potassium fluoride should be added to 0.50 Lof 0.255-M HF(aq) at 25 °C to give a…

A:

Q: In the laboratory, a general chemistry student measured the pH of a 0.453 M aqueous solution of…

A: pH = 12.155 Therefore, pOH = 14 – 12.155 pOH  = 1.845 So,as we know that ;  [OH¯] = 10¯pOH =…

Q: The p?a of imidazole hydrochloride is 6.993. Calculate the pH of the solution if 1.90 mL of 1.08 M…

A:

Q: How many mL of a 5.0-M solution of sodium borate must be added to a 200-mL solution of 50 mM boric…

A: Pka of boric acid = 9.14    Cl+ consider x ml  5.0 M sodium borate is  required.   PH  = Pka +…

Q: In the laboratory, a general chemistry student measured the pH of a 0.509 M aqueous solution of…

A:

Q: In the laboratory, a general chemistry student measured the pH of a 0.578 M aqueous solution of…

A: For a weak acid, we have       pH = 1/2(pKa - logA) where A is the concentration of the acid. Given,…

Q: A general chemistry student measured the pH of a 0.12 M aqueous solution of an unknown weak acid HA…

A: The question is based on the concept of equilibrium. we have to calculate PKa of a weak acid whose…

Q: 1) Calculate the pH of a solution prepared by dissolving 2.20 g of sodium acetate, CH3COON,, in 99.0…

A: Here, gievn buffer solutionMass of sodium acetate=2.20gMolarity of acetic acid =0.10MVolume of…

Q: A solution is made by dissolving 26.5 g of LIC3H5O2 in 500.0 mL of water. Using Kb(C3H5O2) = 7.7 x…

A: Given: The mass of LiC3H5O2 = 26.5 g The volume of the solution = 500.0 mL The Kb of C3H5O2- = 7.7 ×…

Q: What is the pH of a solution when 2. 75 g of ammonium chloride, NH4CI, is used to make 100 cm3 of…

A: Number of Mole-ratio of given mass of substance to the molar mass of substance is called number of…

Q: Calculate the pH of a 0.594 M aqueous solution of pyridinium chloride, C5H5NHCl. The Kb of pyridine…

A:

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: In the laboratory, a general chemistry student measured the pH of a 0.354 M aqueous solution of…

A: Given that: pH = 0.354 [C8H10N4O2] = 12.063 To find: Kb

Q: How many milliliters of 0.800 M KOH should be added to 3.38 g of oxalic acid (C2O4H2) to give a pH…

A: Reaction: H2Ox + OH- —->HOx- + H2OHOx- + OH- ——->Ox- + H2O Equilibrium: H2Ox ——>HOx- + H…

Q: In the laboratory, a general chemistry student measured the pH of a 0.591 M aqueous solution of…

A:

Q: The acid constants of the polyprotic acid НЗASO4 are К_a1 %3D 5х10 ^-3, К_а2 - 8х10^-8, К_а3 %3D…

A:

Q: 1 out of Calculate the pH of a 0.40M solution of sodium acetate (NaCH,COO) given that the K, of…

A: NaCH3COO solution means salt hydrolysis. NaCH3COO is made up of weak acid acetic acid and strong…

Q: During the titration of 50.00 mL of a 0.289 M solution of propanoic acid ( HC3H5O2 ) with 0.155 M…

A: The balanced equation is HC3H5O2 (aq) + NaOH (aq) ----------> NaC3H5O2 (aq) + H2O (l)

Q: Addition of phenolphthalein to an unknown colorless solution does not cause a color change. The…

A: Phenolphthalein and bromothymol blue are pH indicator. They ae widely used in titrations and testing…

Q: The weak base colloquially known as Tris, and more precisely as tris(hydroxymethyl)-am inomethane,…

A: Buffer solution is the solution which resist to change the pH on the small addition of acid and base…

Q: In the laboratory, a general chemistry student measured the pH of a 0.558 M aqueous solution of…

A: The dissociation of formic acid. Given data: Initial concentration of formic acid is 0.558M. pH of…

Q: In the laboratory, a general chemistry student measured the pH of a 0.522 M aqueous solution of…

A: pH is defined as negative logarithm of hydrogen ions.

Q: If 10 mL of 0.1 M hypothetical acid, HA, is added with 10 mL of 0.1 M of the salt of its conjugate…

A: Answer: The mixture of acid HA and its conjugate base XA will be a buffer solution.

Q: What is the pH of 0.273 M trimethylammonium iodide, (CH3)3NHI? The Kb of trimethylamine, (CH3)3N, is…

A: Kb = 6.3 x 10-5

Q: If 14.0 mL of glacial acetic acid (pure HC2H3O2; Ka=1.8×10−5) is diluted to 1.50 L with water, what…

A: Given data Volume of acetic acid = 14.0 mL density of acetic acid = 1.05 g/mL Total Volume of…

Q: In the laboratory, a general chemistry student measured the pH of a 0.441 M aqueous solution of…

A:

Q: 10. 0.02 mole of NH,OH and 0.03 mole of NH,Cl are mixed in 300 ml, what is the pH of the solution?…

A: this solutions form a basic buffer solution.

Q: What volume (in mL) of a 1.0 M solution of imidazolium chloride must be added to a 500 mL solution…

A: Buffer solutions are the solutions which counter the pH change on addition of small amount of acid…

Q: 1) Calculate the pH of a solution prepared by dissolving 1.00 g of sodium acetate, CH,COONa, in 57.0…

A: Given that : The mass of salt (sodium acetate) = 1.00 gm The concentration of acid (acetic acid) =…

Q: In the laboratory, a general chemistry student measured the pH of a 0.423 M aqueous solution of…

A: The value of Kb for the given weak base is = 7.3x10-6 The concentration of the base solution is =…

Q: You are given 250.0 mL of 0.100 M CH3CH2COOH (propionic acid, K, 1.35 x 10). Youd wish to adjust the…

A: pH is the proportion of hydrogen particle fixation in the solution. It is utilized to decide the…

Q: 1) Calculate the pH of a solution prepared by dissolving 1.90 g of sodium acetate, CH,COONA, in 64.0…

A: Note: As per our company guidelines, we are supposed to answer only 1st question at a time. Kindly…

Q: If you have 500 mL of a 0.10 M solution of the acid, what mass of the corresponding sodium salt of…

A:

Q: The Ka of hypobromous acid, HOBr, is 2.6 x 10-9. Calculate the pH of a solu tion which is composed…

A: PH of acidic buffer can be calculated as follows

Q: In the laboratory, a general chemistry student measured the pH of a 0.470 M aqueous solution of…

A:

Q: A tablet of a common over-the-counter drug contains 200 mg of caffeine (C8H10N4O2). What is the pH…

A: Given mass of caffeine = 200 mg The given volume = 225 mL Kb = 4.1 x 10–4 pH = ?

Q: In the laboratory, a general chemistry student measured the pH of a 0.522 M aqueous solution of…

A: Ka(experiment) = 5.9 × 10-5

Q: 1) Calculate the pH of a solution prepared by dissolving 1.60 g of sodium acetate, CH3COONa, in 64.0…

A: Given; The given mass of CH3COONa, (W)  = 1.6 g. The molar mass of CH3COONa, (M) = 82.0343 g/mol.…

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.