The pH of dissolving 1.48 g of propanoic acid (CH3CH₂COOH, Ka 1.3X105) in 200 mL H₂O is 4.82 3.71 2.94 1.22 5.25

Q: The pH of a solution made up to contain 0.240 M H3PO4 and 0.480 M NaH2PO4 is- (Ka1= 7.11 x 10-3;…

A: Buffer solution are which can resist any change in PH when either acid or base are added and the PH…

Q: A mixture of sodium hydroxide, NaOH(s) and benzoic acid, HC7H5O2(s), consists of a total of 0.50…

A:

Q: The pH of dissolving 1.48 g of propanoic acid (CH3CH2COOH, Ka = 1.3X10-5) in 200 mL H20 is %3D О…

A:

Q: What is the pH of an aqueous solution that is 0.123 MNH4Cl?For ammonia pKb= 4.74

A:

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: A solution is generated by combining 50.0ml of 0.310M nitric acid (Ka=2.4x10^1) with 50.0ml of…

A: Solution :   While determining the pH of the solution which is generated by combining strong acid…

Q: an aqueous solution containing 3 grams of CH3COOH in 500 ml of it and having a pH = 3 solution of…

A: Given that,  pH of 500 mL solution containing 3 g CH3COOH = 3 Molarity of CH3COOH solution = (3…

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: LIOH(aq) is classified as a base. The reaction equation with water utilizes which of the following…

A: The compounds that on dissociation in aqueous solution give H+ ions or accept electrons are called…

Q: 0.5M calcium hydroxide usually referred as slake slime has applications in dental works, hair care…

A:

Q: Sodium benzoate, NaC6H5COO (molar mass 144.1 g mol-1) is a common food preservative. The Ka of…

A: Given data, Ka of Benzoic acid = 1.6 x 10-5 Molarity of HCl = 1.20 M Molar mass of sodium benzoate =…

Q: the laboratory, a general chemistry student measured the pH of a 0.428 M aqueous solution of…

A: PH is  defined as the power of Hydrogen.it measure acidity, basicity or neutrality of aqueous…

Q: You have a 0.189 M solution of propanoic acid.  You add enough sodium propanoateto make the solution…

A:

Q: 10.0 cm³ of a solution of a strong acid with a pH of 3 is added to a volumetric flask and the total…

A: Given data: Volume of acid before adding water = 10 cm3 = 0.01 dm3  pH before dilution = 3 Volume of…

Q: If 34.6 mL of a 0.68 M NaOH solution is added to a 51.9 mL sample of a 0.68 M weak acid, HA , what…

A: 34.6 mL of a 0.68 M NaOH solution is added to 51.9 mL sample of a 0.68 M weak acid, HA (ka = 1.8 x…

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: If the Kp of a weak base is 1.0 x 106, what is the pH of a 0.11 M solution of this base? pH =

A: Let us consider a base B, hydrolysis of the base is given below B + H2O ---> BH+ + OH- Now, at…

Q: The K. of hydrofluoric acid (HF) at 25.0 °C is 6.8 · 10 4 What is the pH of a 0.45 M aqueous…

A: Given Concentration of HF = 0.45 M Ka for HF = 6.8 × 10-4

Q: What is the pH of a soln which  is 0.5 M NH3 and 0.075M NH4Cl? (kb=1.8x10-5)

A: The solution of NH3 and NH4Cl will form a buffer solution and the pH of a buffer solution is…

Q: In the laboratory, a general chemistry student measured the pH of a 0.400 M aqueous solution of…

A: To find Kb for base, first write reaction of base with water and according to that, find [OH-] or…

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

A:

Q: Calculate the pH of a solution that is 0.080 M  pyridine (pKb = 5.25) and 0.285 M  pyridinium…

A: The pH of a solution measures the concentration of hydrogen ions in a solution, which indicates the…

Q: A 25 Celsius aqueous solution is made by adding 2.31 liters of 0.348 M NaNO2 to 3.36 liters of 0.118…

A: Interpretation: The given question is based on calculation of pH of a given buffer solution. Concept…

Q: The hydronium ion concentration of an aqueous solution of 0.532 M benzoic acid, C,H5COOH (K, =…

A: Given- Concentration of benzoic acid solution = 0.532 M Ka = 6.30 x 10-5 To find- [H3O+]

Q: Each of the four flasks below contains the same volume of .10 M aqueous acid. All four acids are…

A: Since the volume and concentration of acid taken is same for all acids  Hence the moles of all acid…

Q: A 1-L unbuffered solution needs the pH adjusted from 6 to 1. How many mL of 12 molar HCl solution…

A: Step 1: Given that the initial solution is un-buffered with pH 6.  It has to convert to pH 1, by…

Q: 2. If you make a solution by mixing 25.mL of 0.50 M acetic acid (CH3COOH) and 25 mL of 0.30 M sodium…

A: Given,  [CH3COOH] = 0.50 M  Volume of CH3COOH = 25 mL  [CH3COONa] = 0.30 M  Volume of CH3COONa = 25…

Q: Calculate the pH of a mixture containing 0.23 M HONH2 and 0.44 M HONH3Cl. (Kb = 1.1 × 10–8)  What…

A:

Q: You mix 1.22 g of benzoic acid (C6H5CO2H, molar mass = 122.1 g/mol, Ką = 6.3x10-5) with 100 mL of…

A: That question is based on the concept of chemical equilibrium. We have to identify the pH of…

Q: value

A: When water is self ionized then water and it's ion present in equilibrium so that we used…

Q: The Ka value for acetic acid, CH,COOH(aq), is 1.8 × 10-5. Calculate the pH of a 1.20 M acetic acid…

A: Acetic acid dissociates as: CH3COOH→CH3COO-+H+

Q: The pH of dissolving 1.48 g of propanoic acid (CH3CH2COOH, Ka = 1.3X10-5) in 200 mL H20 is %3D 4.82…

A:

Q: 4) Calculate the pH of a solution that is composed of 90.0 mL of 0.345 M sodium hydroxide, NaOH, and…

A:

Q: The Kp of dimethylamine [(CH3)2NH] is 5.90×104 at 25°C. Calculate the pH of a 1.55x103 M solution of…

A: Given :  Concentration of (CH3)2NH = 1.55 × 10-3 M  Kb = 5.90 × 10-4  To calculate :-  pH of…

Q: Calculate the pH of a 0.100 M NaCH 3CO 2 solution. Ka for acetic acid, CH 3CO 2H, is 1.8 × 103.

A:

Q: The pH of which of the following solutions will decrease by 1.00 pH unit when diluted with water to…

A: Since we know that if we dilute an strong acid solution it's pH will increase but if we dilute an…

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

A:

Q: |Calculate the pH of a 7.2 × 10 ´ M aqueous solution of aluminum chloride, AIC13. The acid…

A: pH - pH is defined as negative logarithm to the base 10 of H+ ion concentration. Or pH can also be…

Q: A 0.861 M solution of a weak base has a pH of 11.80. What is the base hydrolysis constant, K, for…

A: Hydrolysis constant Kb can be calculated by the following way .

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: Calculate the pH of the following solutions: A.     0.01 M NaOH…

A: We need to determine pH of given solution.    Note : Since there are multiple questions posted, as…

Q: The [H3O+] = 4.7 x 10-5 M for the HC7H5O2 and NaC7H5O2 solution. What is the pH of the solution?

A: Given H3O+ concentration of the solution, [H3O+] = 4.7*10-5 M

Q: we throw a solution methyl orange it turns yellow, while if we throw it greedily it turns red. The…

A: Methyl orange shows red color in acidic medium and yellow color in basic medium.  In a solution…

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

A:

Q: What is the pH at 25 degrees celsius of a solution that results from mixing equal volumes of a 0.05…

A: Given, 0.05 M solution of ammonia and a 0.025 M solution of hydrochloric acid. The molarity of…

Q: You combine 50.0 mL of 0.500 M NaOH with 75.0 mL of H2S04 with a Molarity of 0.19598. What is the…

A: Given : volume of NaOH solution used = 50.0 mL = 0.050 L…

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: If the KbKb of a weak base is 1.6×10−6,1.6×10−6, what is the pH of a 0.18 M0.18 M solution of this…

A: Concentration of the solution is 0.18 M. Kb = 1.6 x 10-6 The Ka value is calculated by following…

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.