A chemist dissolves 661. mg of pure hydrobromic acid in enough water to make up 310. mL of solution. Calculate the pH of the solution. Be sure your answer has the correct number of significant digits.

Q: Calculate the pH of  a 0.84 M HONH2 solution. Give your answer to three sig figs.  Kb(HONH2) = 1.0 x…

A: Given: The concentration of  HONH2 solution = 0.84 M  Kb(HONH2) = 1.0 x 10‒5 To Calculate: pH of the…

Q: Determine the pH of each solution and classify it as acidic,basic, or neutral.(a) pOH = 8.5(b) pOH =…

A: We have four solution of  pOH = 8.5, pOH = 4.2,pOH = 1,pOH = 7.0 . We have to calculate pH of each…

Q: A chemist dissolves 831. mg of pure hydrochloric acid in enough water to make up 170. mL of…

A: Given data: Mass of pure hydrochloric acid HCl = 831 mg = 0.831 g Volume of solution = 170. mL =…

Q: A chemist dissolves 631. mg of pure hydrochloric acid in enough water to make up 240. mL of…

A: Given as Mass of HCl=631 mg Volume of solution= 240 mL The pH of the solution has to be calculated.

Q: A chemist dissolves 498. mg of pure sodium hydroxide in enough water to make up 60. mL of solution.…

A: given :-  mass of NaOH = 498. mg  volume of solution = 60. mL  To calculate :-  pH of solution

Q: A chemist dissolves 700. mg of pure perchloric acid in enough water to make up 50. mL of solution.…

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Q: A chemist dissolves 770. mg of pure nitric acid in enough water to make up 380. mL of solution.…

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Q: What is the pH of the following solutions? Identify each as acidic, basic, or neutral. a. 0.010 M…

A: If pH is greater than 7 it is basic.  If pH is less than 7 it is acidic

Q: A chemist dissolves 744. mg of pure hydrobromic acid in enough water to make up 110. mL of solution.…

A: Mass of HBr given is 744 mg = 0.744 g Molar mass of HBr is 80.91 g/mol. Therefore, number of moles…

Q: A chemist dissolves 602.mg of pure hydrobromic acid in enough water to make up 240.mL of solution.…

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Q: Calculate the pH of a solution that has a hydroxide ion concentration, [OH−], of 1.35×10−8 M.

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Q: Calculate the pH of a 0.210 M solution of sodium benzoate

A: Benzoate is the conjugate base of benzoic acid. In water, benzoate hydrolyses as follows...…

Q: A chemist dissolves 642. mg of pure hydrobromic acid in enough water to make up 150. mL of solution.…

A: Given :-  Mass of HBr = 642 mg  Volume of solution = 150 mL  To calculate :-  pH of solution

Q: A chemist dissolves 132. mg of pure hydrochloric acid in enough water to make up 60. mL of solution.…

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Q: 20-g of benzoic acid is dissolved in 600 mL of water. Calculate the pH of the solution.

A: Since you have posted multiple questions, we are entitled to answer the first only. 1) Given: Mass…

Q: A chemist dissolves 839. mg of pure nitric acid in enough water to make up 380. mL of solution.…

A: Given, mass of nitric acid (HNO3) = 839 mg = 0.839 g Volume of the solution = 380 mL = 0.380 L pH of…

Q: The pH of a solution is 2.45. What is the molar concentration of hydronium ions in the solution?…

A: We have given that  pH = 2.45  [H3O+] = ?

Q: A chemist dissolves 688. mg of pure sodium hydroxide in enough water to make up 130. mL of solution.…

A: Given: Mass of sodium hydroxide = 688.0 mg Volume of solution = 130.0 mL Molar mass of NaOH = 40…

Q: A chemist dissolves 197. mg of pure sodium hydroxide in enough water to make up 170. mL of solution.…

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Q: Calculate the pH of an aqueous solution that is 0.70 M sodium hypochlorite.

A: The given compound Sodium hypochlorite (NaClO) is a strong electrolyte. So, it dissociates…

Q: A chemist dissolves 262. mg of pure hydrobromic acid in enough water to make up 390. mL of solution.…

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Q: A chemist dissolves 742. mg of pure hydrochloric acid in enough water to make up 280. mL of…

A: Given : Mass of HCl = 742 mg = 0.742 g…

Q: The pH of 30 cm^3 of an acidic solution is 2.89. Calculate the concentration of hydrogen ions and…

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Q: Determine the pH of each solution and classify it as acidic, basic, or neutral. (a) pOH = 8.5 (b)…

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Q: The pH of 30 cm³ of an acidic solution is 2.89. Calculate the concentration of hydrogen ions and the…

A: pH = 2.89  Volume of solution = 30 cm3  We need to find concentration and number of moles of…

Q: A chemist dissolves 369. mg of pure barium hydroxide in enough water to make up 60. mL of solution.…

A: Given: mass of Ba(OH)2=369 mg                                =0.369 gvolume of solution=60 mL To…

Q: A chemist dissolves 846. mg of pure hydrochloric acid in enough water to make up 120. mL of…

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Q: A chemist dissolves 705. mg of pure perchloric acid in enough water to make up 160. mL of solution.…

A: Given information, Mass of pure perchloric acid = 705. mg = 0.705 g  As ( 1g = 1000 mg ) Volume of…

Q: A newspaper reported that the level of acidity in a sample taken from an extensively studied…

A: Any solutions's characteristics whether it is alkaline or else acidic is defined by its pH value.…

Q: What is the pH of a calcium hydroxide solution obtained by dissolving 0.17 grams of calcium…

A: Given that : The mass of calcium hydroxide solution = 0.17 g The volume of the solution = 510 mL We…

Q: A chemist dissolves 387. mg of pure sodium hydroxide in enough water to make up 140. mL of solution.…

A: Given: Mass of NaOH = 387.0 mg = 0.387 g Volume of the solution = 140.0 mL = 0.140 L Known: Molar…

Q: Calculation of pH for varying concentrations of different species

A: A question based on pH concept, which is to be accomplished.

Q: A chemist dissolves 170 , mg of pure nitric acid in enough water to make up 70. mL of solution .…

A: Ans.  Number of the moles of the nitric acid = mass/molar mass =0.170g/63.01g/mol = 0.0026979 moles…

Q: solution is made by dissolving 0.0699 mole of calcium hydroxide (Ca(OH)2) in 500 mL of water.…

A: Given: moles of calcium hydroxide Ca(OH)2 = 0.0699 mol Volume = 500mL = (500/1000)L = 0.5L Thus,…

Q: A chemist dissolves 273. mg of pure nitric acid in enough water to make up 80. mL of solution.…

A: moles of nitric acid = mass in gm / molecular mass molecular mass of nitric acid = 63 gm /mol mass…

Q: A chemist dissolves 595. mg of pure nitric acid in enough water to make up 360. mL of solution.…

A: Molar mass of HNO3,

Q: What is the pH of a solution prepared by dissolving 1.10 g of solid sodium hydroxide in 815 mL of…

A: pH of a solution is defined as the negative logarithm of H3O+ ion concentration.    pH = -log[H3O+]…

Q: Determine the pH of a solution in which the hydronium ion concentration was determined to be 3.70 x…

A: Given information: [H3O+] =3.70 x 10-4 moles/liter

Q: A chemist dissolves 365. mg of pure perchloric acid in enough water to make up 280. mL of solution.…

A: pH = - log [H+] If the acid is a strong acid, it dissociates completely in solution. In such case,…

Q: A chemist dissolves 775. mg of pure hydroiodic acid in enough water to make up 310. mL of solution.…

A: Given :-  Mass of HI = 775.mg  Volume of solution = 310.mL  To calculate :-  pH of solution

Q: A teacher pipettes 5.0

A: M1V1 = M2 V2  Where  M1 = initial Molarity= 1.5 M  V1 = initial volume = 5 mL    M2 = final Molarity…

Q: A chemist dissolves 252. mg of pure nitric acid in enough water to make up 350. mL of solution.…

A: The mass of nitric acid is = 252. mg The mass of nitric acid is = 252 x 10^-3 g The volume of the…

Q: A chemist dissolves 759. mg of pure hydrochloric acid in enough water to make up 80. mL of solution.…

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Q: A chemist dissolves 692. mg of pure hydroiodic acid in enough water to make up 60. mL of solution.…

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Q: A chemist dissolves 505. mg of pure hydrobromic acid in enough water to make up 150. mL of solution.…

A: The molar mass of the compound HBr is 80.9 g/mol. The number of moles of the compound is calculated…

Q: A chemist dissolves 266. mg of pure hydrochloric acid in enough water to make up 270. mL of…

A: The mass of HCl is 266mg. It is dissolved in water to form of 0.270L of solution. The number of…

Q: A chemist dissolves 227. mg of pure hydrobromic acid in enough water to make up 90. mL of solution.…

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

Q: A chemist dissolves 270. mg of pure perchloric acid in enough water to make up 340. ml. of solution.…

A:

Q: A chemist dissolves 793. mg of pure hydrobromic acid in enough water to make up 90. mL of solution.…

A: Given data,Mass of HBr=793mg=0.793gVolume of solution=90mL=0.09L

Q: The pH of an aqueous solution of pyridine (C5H5N) is 10.0 at room temperature. What is the initial…

A: Weak acid or base are those substance which does not dissociate 100%. The value of degree of…