The pH value of the 5L aqueous solution prepared with 6.4 grams of a precious strong acid is 2. So what is the molar mass of the acid?

Q: The pH of a half-neutralized solution of a weak acid is 4.3. What is the dissociation constant (Ka)…

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Q: The simplest amino acid is glycine, H2NCH2CO2H. The common feature of amino acids is that they…

A: Given: The simplest amino acid is glycine, H2NCH2COOH.

Q: 0.800 grams of solid barium hydroxide, Ba(OH)2, is added to enough water to prepare 250.0 mL of…

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Q: 1) Calculate the pH of a solution prepared by dissolving 2.20 g of sodium acetate, CHCOONA, in 78.0…

A: Given: mass of sodium acetate=2.20 gvolume of acetic acid=78.0 mLmolarity=0.10 MKa=1.75×10-5 To…

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

A: The dissociation of acetic acid is given as, CH3COOH↔CH3COO- + H+ By definition, the acid…

Q: A. Calculate the pOH of each of the following solutions: 1) 0.5 M of Ca(OH), 2) 0.0235 Mof HCI 3)…

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Q: Calculate pH, pOH, [OH-(aq)] and [H;O*(aq)] of a 350.0 mL aqueous solution containing 1.20 g calcium…

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Q: The pOH of an aqueous solution of 0.354 M acetylsalicylic acid (aspirin), HC9H7O4, is

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Q: The pOH of an aqueous solution of 0.428 M acetylsalicylic acid (aspirin), HC9H7O4, is

A: Aspirin is a monoprotic weak acid with formula HC9H7O4. Hence it will dissociate partially as per…

Q: A scientist notices an occurrence of acid shock in a body of water that sits close to an in-…

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Q: What would be the pH if 1.11 moles of hydrofluoric acid (HF) were added to 2 liters of pure water,…

A: Given :          Number of moles = 1.11          pKa = 3.2                            HF         ⇔…

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

A: Answer:- This question is answered by using the simple concept of calculation of pH of solution…

Q: Calculate the pH of a solution prepared by dissolving 1.75 g of sodium acetate, CH3COON,, in 53.5 mL…

A: Given,  Mass of CH3COONa = 1.75 g  Molarity of CH3COOH = 0.15 M  Volume of CH3COOH = 53.5 mL  Acid…

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: In the laboratory, a general chemistry student measured the pH of a 0.353 M aqueous solution of…

A: In order to find the Kb of the given compound we first write down the given data: pH= 12.146.…

Q: Calculate pH, pOH, [OH-(aq)] and [H30*(aq)] of a 350.0 mL aqueous solution containing 1.20 g calcium…

A: Mass of Ca(OH)2 = 1.20 g  Molar mass ( MM ) of Ca(OH)2 ,         = MM of Ca +2×  MM of O + 2 × MM oH…

Q: The value of K, for acetylsalicylic acid (aspirin) is 3.00x104. What is the value of Kp, for its…

A: Given: Ka value of acetylsalicylic acid = 3.00×10-4

Q: ulate the pH of a solution prepared by dissolving 1.90 g of sodium acetate, CH,COONA, in 85.0 ml of…

A: Given, Mass of Sodium Acetate = 1.90 g Ka of CH3COOH is 1.75×10-5.

Q: The acid ionization constant for a certain monoprotic acid (HA) is 1.57×10−4. What is the pH of a…

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Q: The value of K, for phenol (a weak acid) is 1.00×10-10. What is the value of Kp, for its conjugate…

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Q: For biological buffer systems, buffer acids capacity is usually greater than buffer bases capacity.…

A: A biological buffer is an organic substance in our body that helps in maintaining the body at the…

Q: For the acid HA, the acid dissociation constant, K, is 1.1 × 105. After 48 mL of 0.9 M N2OH is added…

A: pH is used to determine the concentration of hydronium ion.

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: 0.25 mol of benzoic acid and 0.15 mol of sodium benzoate are dissolved in 1 L of water. What is the…

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

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Q: Chemistry The label of an energy drink states that it contains approximately 80 mg of caffeine…

A: Molecular weight of caffeine = 8×12+10×1+4×14+2×16=194 g/mol Weight of caffeine = 80 mg = 80×10-3g…

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: What is the significance of determining the pH of an antacid preparation?

A: ANSWER

Q: A solution of sodium acetate (NaCH3CO0) has a pH of 9.37. The acid-dissociation constant for acetic…

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Q: Calculate the pH of a mixture made by adding 54.6 mL of 0.015 M HHNO3(aq) to 142.9 mL of water at…

A: Given,  The pH of a mixture made by adding 54.6 mL of 0.015 M HNO3(aq) to 142.9 mL of water at 26.6…

Q: The pOH of an aqueous solution of 0.591 M phenol (a weak acid), C,H5OH, is

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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: Calculate the pH and pOH of a solution resulting from dissolving 0.75 grams of perchloric acid in…

A: Given: Mass of perchloric acid i.e HClO4 = 0.75 g And volume of solution = 1500 mL = 1.500 L…

Q: Acidic water can be treated with basic substances to increase the pH, although such a procedure is…

A: Given Volume of lake = 4x109 L The pH of lake water = 5 -log [H+] = 5 [H+] = 10-5 Therefore the…

Q: A 0.150 M solution of a weak base has a pH of 9.65. What is the base hydrolysis constant, K, for the…

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Q: a) A 0.10 Maqueous solution of propanoic acid, CH3CH2COOH, has a pH of 2.93. What is the value of…

A: Hi since you have posted multiple questions, we will answer the very first question. Kindly repost…

Q: 3b.) The Ka of acetic acid is 1.8 x 105. Calculate the pH of the following solutions: b. A solution…

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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: The ionization constant, Ka, for dichloroacetic acid, HC2HO2Cl2 , is 5.0 × 10‑2.  What is the pH of…

A: The ionisation reaction for the  dichloroacetic acid will be  HC2HO2Cl2 ------> H+ + C2HO2Cl2-…

Q: How many grams of NaHCO3 must be added to 4 g K2CO3 to give a pH of 10.80 in 500 ml total solution?

A: Henderson-Hasselbach equation is given by: pH = pKa + logA-HAwhere [HA] is the concentration of the…

Q: A student added 1.78g of Ca(OH)2(9) to 0.250 L of 0.200 molL-1 HNO3(aq)- The mixture was carefully…

A: Reaction: Ca(OH)2 (aq)-----> Ca2+(aq) + 2OH- (aq) HNO3 ------> H+ + NO3 -..........*2…

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: prepared

A: Equilibrium Reaction is :  F^-(aq) + H2O(l) <------> HF(aq) + OH-(aq)    Major species are :…

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.…

Q: The value of K, for acetylsalicylic acid (aspirin) is 3.00x104. What is the value of Kp, for its…

A: Ans. 3.33*10-11

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.