In a titration experiment, it takes 31.45 mL of 0.018 M NaOH to neutralize a 15.00 mL sample of HCI. Calculate the pH of the HCI solution. Enter number without units. HСІ (ад) + NaОH (аq) NaCI (aq) + H2O (l)

Q: In pure water, some of the molecules ionize according to the equation H20 → H* + OH. The extent of…

A: Solution: We know pH + pOH = 14. In given graph we can see as temperature increases pH of solution…

Q: Define pH. What pH range is considered acidic? Basic? Neutral? (Assume 25 °C.)

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Q: 1. Are food items such as juice or vinegar acidic or basic? What ion probably accounts for this…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: What volume of a concentrated HCl solution, which is 36.0% HCl by mass and has a density of 1.179…

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Q: Calculate pH of the following solutions: a) 0.25 M HNO3 in 0.065 M CH3COOH (K,=1.75x10). b) 0.33 M…

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Q: 1. S)A student prepares a solution of 23.25 g of acetic acid dissolved in enough water to make 2.00…

A: Given,  CH3COOH (aq) + H2O (l) ⇌ H3O+ (aq) + CH3COO-(aq) mass of acetic acid = 23.25 g Volume of the…

Q: Consider sample of Sr(OH)2(aq) that was made by dissolving 0.239 g Sr(OH)2(s) in enough water to…

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Q: A chemist dissolves 213. mg of pure barium hydroxide in enough water to make up 130. mL of solution.…

A: pH of a solution is defined as the negative log of the hydrogen ion concentration. pOH of a solution…

Q: A chemist dissolves 724. mg of pure sodium hydroxide in enough water to make up 90. mL of solution.…

A: Given , Mass of NaOH = 724 mg = 724×10-3 g Molar mass of NaOH = 40.0 g/mol Volume of solution = 90.0…

Q: When answering this problem, report the answer with the appropriate number of significant figures…

A: Given: molarity of stock solution=M1=2.400×10-1Mvolume of stock solution=V1=5 mLvolume of new…

Q: If you mix 350 grams of NACN in 640 ml of water, what is the pH? How many grams of its conjugate…

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Q: What is the pH of a solution made by mixing 35.00 mL of 0.100 M HCl with 40.00 mL of 0.100 M KOH?…

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Q: A typical vitamin C tablet (containing pure ascorbic acid, H2C6H606) weighs 500. mg. One vitamin C…

A: We have given the mass of ascorbic acid = 500 mg = 0.500 g Volume of solution = 200 mL = 0.2 L And…

Q: You are given two beakers, one containing 0.7 M 450 ml NaOH (sol-1) and another containing 0.3 M 560…

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Q: Novocain, C13H21O2N2Cl, is the salt of the base procaine and hydrochloric acid. The ionization…

A: Procaine(C13H20N2O2) is a weak base due to the presence of -NH2 group.  Given the Kb of…

Q: A chemist dissolves 149. mg of pure potassium hydroxide in enough water to make up 110. mL of…

A: The pH of a solution is used to determine the acidity or alkalinity of a solution. The pH is simply…

Q: A chemist dissolves 449. mg of pure potassium hydroxide in enough water to make up 170. mL of…

A: The number of moles of a substance is determined as the mas of that substance upon its molar mass.…

Q: Butyric acid, C3H,COOH, has ionization constant of 1.54 x 10-5. a) Calculate the pH of 50.0 mL of a…

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Q: Butyric acid, C3H,COOH, has ionization constant of 1.54 x 10. a) Calculate the pH of 50.0 mL of a…

A: We have to predict the pH of acid and salt and pH upon mixing the solution.

Q: A chemist dissolves 896. mg of pure sodium hydroxide in enough water to make up 120. mL of solution.…

A: The given data is as follows: The mass of sodium hydroxide = 896 mg = 0.896 g The volume of the…

Q: A typical aspirin tablet contains 325 mg of acetylsalicylic acid, HC9H7O4. Calculate the pH of a…

A: Calculate the concentration of aspirin solution: 1 mg = 0.001 g 1 mL = 0.001 L

Q: A chemist dissolves 465. mg of pure potassium hydroxide in enough water to make up 90. mL of…

A: Mass of KOH in g = 465 / 1000 = 0.465 g Volume of solution in L = 90/1000 = 0.090 L Moles of KOH =…

Q: The pyridinium ion (C5H4NH) is a weak acid (Ka = 5.60 x 10-6). Calculate the pH of a solution that…

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Q: When answering this problem, report the answer with the appropriate number of significant figures.…

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Q: A chemist dissolves 203. mg of pure barium hydroxide in enough water to make up 60. mL of solution.…

A: We have to predict the pH of the solution.

Q: The pyridinium ion (C5H4NH*) is a weak acid (Ka = 5.60 x 10-6). Calculate the pH of a solution that…

A: Given that, the pyridinium ion is a weak acid. The Ka of it is Ka = 5.60×10-6. 3.7 mL of 0.167 M of…

Q: Two drops (0.1 mL) of 7.0 M HCl are added to water to make 1.0 L of solution. What is the pH of this…

A: Given: Concentration of HCl initially = 7.0 M Volume of initial HCl taken = 0.1 mL = 0.0001 L…

Q: Novocaine, C13H21O2N2Cl, is the salt of the base procaine and hydrochloric acid. The ionization…

A: Given: Ionization constant for procaine (Kb) = 7 x 10-6            Density of solution = 1 g/mL…

Q: Amphetamine, C9H13N, is a potent central nervous system stimulant used in the treatment of ADHD and…

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Q: In a 1.00 M  aqueous solution of sulfuric acid, H2SO4, three processes producing the hydronium ion…

A: In this question, we will select the correct Reaction which give the pH of the solution.  You can…

Q: A solution of household bleach contains 5.25% sodium hypochlorite, NaOCl, by mass. Assuming that the…

A: Given:  % mass =  5.25 Molar mass of NaOCl =  74.5 g V1 =  ??   ,     V2 =  500 mL Assuming that the…

Q: Phenol, once known as carbolic acid, HC6H5O, is a weak acid. It was one of the first antiseptics…

A: Since phenol is weak acid so it will feebly ionised . C6H5OH  →C6H5O-      +   H+

Q: A solution is prepared by adding 500 mL of 0.30 M NaCN(aq) to 500 mL of 0.40 M HCN(aq) at 25 degrees…

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Q: Phenol, once known as carbolic acid, HC6H5O, is a weak acid. It was one of the first antiseptics…

A: The molecular formula of phenol or carbolic acid is HC6H5O. The acid dissociation constant for the…

Q: Formic acid owes its name to the fact that some ant (fourmi) species have specialised soldiers that…

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Q: (a) Using the expression Ka=[H+][A−]/[HA], explain how to determine which solution has the lower pH,…

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Q: Hypochlorous acid, HOCI(aq), is a weak acid (Ka = 4.0 x 10-8) used in the chlorination of drinking…

A: a.) To calculate pH , we would draw an ICE table and use its Ka value.  b.) Percent ionization is…

Q: You take a 1.50 moles of strong acid HCl and a 1.00 moles strong base NaCl and combine them with a…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: has a pH of 11.30. How many grams of NaCN are in 865 mL of a solution with the same pH? Kb (CN–) =…

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Q: A chemist dissolves 505. mg of pure barium hydroxide in enough water to make up 180. mL of solution.…

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Q: The barium oxide is a strong electrolye:  BaO(s) + H2O(l) → Ba2+(aq) + 2 OH−(aq). What is the pH…

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Q: Calculate the pH of each of the following strong acid solutions:(a) 0.0167 M HNO3, (b) 0.225 g of…

A: To calculate pH of each of strong acid solutions: (a). 0.0167 M HNO3

Q: A chemist dissolves 87. mg of pure barium hydroxide in enough water to make up 90. mL of solution.…

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Q: A typical sample of vinegar has a pH of 3.0. Assuming that vinegar is only an aqueoussolution of…

A: pH = 3 Ka = 1.8 X 10-5

Q: A liter of solution contains 0.25 M HCOOH and 0.3 M HCOONA, calculate the pH of this solution.…

A: First we would Calculate pH of buffer solution using Henderson Hasselbalch equation.  When HCl is…

Q: The barium oxide is a strong electrolye:  BaO(s) + H2O(l) → Ba2+(aq) + 2 OH−(aq). What is the pH…

A: The barium oxide is a strong electrolye:  BaO(s) + H2O(l) → Ba2+(aq) + 2 OH−(aq) Barium oxide…

Q: Hydroiodic acid often is used to disinfect and sanitize medical tools and products. In an…

A: To predict pH without calculation we will observe the concentration of the HI acid before and after…

Q: What is the concentration of hydroxide ion in a 0.45 M aqueous solution of hydroxylamine, NH2OH?…

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

Q: Determine the pH of a solution a) when 41.5 g of lactic acid is dissolved with water and diluted to…

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Q: The Kb of C6H5NH3+ is 3.98x10-10 1. What is its Ka? 2. What is the [H3O+] concentration in a…

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