A chemist dissolves 849.mg of pure barium hydroxide in enough water to make up 60.mL of solution. Calculate the pH of the solution. (The temperature of the solution is 25°C.) Be sure your answer has the correct number of significant digits.

Q: A chemist dissolves 383. mg of pure hydrobromic acid in enough water to make up 320. mL of solution.…

A: Given, mass of HBr = 383 mg = 0.383 g Volume of the solution = 320 mL = 0.320 L pH of the solution =…

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 319.mg of pure potassium hydroxide in enough water to make up 60.mL of solution.…

A:

Q: A chemist dissolves 208. mg of pure potassium hydroxide in enough water to make up 80. mL of…

A:

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 641. mg of pure nitric acid in enough water to make up 60. mL of solution.…

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

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

A:

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

A:

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

A:

Q: A chemist dissolves 715. mg of pure potassium hydroxide in enough water to make up 80. mL of…

A:

Q: A chemist dissolves 455. mg of pure barium hydroxide in enough water to make up 90. mL of solution.…

A: pH = 14 - pOH  Since the reaction taking place is  Ba(OH)2 ----> Ba2+ + 2OH-  And since barium…

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

A:

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 52. mg of pure barium hydroxide in enough water to make up 110. mL of solution.…

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

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: 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…

A:

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 chemist dissolves 656. mg of pure barium hydroxide in enough water to make up 90. mL of solution.…

A:

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: A chemist dissolves 515. mg of pure barium hydroxide in enough water to make up 180. mL of solution.…

A:

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 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: A chemist dissolves 723. mg of pure sodium hydroxide in enough water to make up 180. mL of solution.…

A: Given, mass of pure sodium hydroxide (NaOH) = 723. mg = 0.723 g Volume of the solution = 180. mL =…

Q: A chemist dissolves 491. mg of pure sodium hydroxide in enough water to make up 60. mL of solution.…

A: The given data is as follows:       The mass of sodium hydroxide = 491 mg = 0.491 g The volume of…

Q: A chemist dissolves 423. mg of pure potassium hydroxide in enough water to make up 130. mL of…

A: Given data,  Mass of pure potassium hydroxide (KOH) = 423 mg  Volume of solution = 130 mL…

Q: A chemist dissolves 717. mg of pure potassium hydroxide in enough water to make up 80. mL of…

A:

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: A chemist dissolves 378. mg of pure barium hydroxide in enough water to make up 170. mL of solution.…

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

Q: A chemist dissolves 172. mg of pure barium hydroxide in enough water to make up 120. mL of solution.…

A: Molarity(M) of a solution is defined as the number of moles of solute present in the 1 liter of the…

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: 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 715.mg of pure sodium hydroxide in enough water to make up 60.mL of solution.…

A: Given,

Q: .94g of sodium hydroxide is dissolved in enough water to make 620.0mL of solution at 25 degree…

A: Molecular weight of sodium hydroxide (NaOH) = 23+1+16 = 40 gm/mol  If 40 gm NaOH is present in 1000…

Q: A chemist dissolves 661. mg of pure hydrobromic acid in enough water to make up 310. mL of solution.…

A: HBr ---> H+ + Br-  Since 1 mole of HBr will produce 1 mole of H+  Hence concentration of H+…

Q: A chemist dissolves 689. mg of pure perchloric acid in enough water to make up 270. mL of solution.…

A: 1. moles of HClO4 (n) :      n = W/GMW              where                       W = mass of…

Q: A chemist dissolves 237. mg of pure perchloric acid in enough water to make up 240. mL of solution.…

A:

Q: A chemist dissolves 649. mg of pure barium hydroxide in enough water to make up 90. mL of solution.…

A: Given, mass of barium hydroxide, Ba(OH)2 = 649. mg = 0.649 g Volume of the solution = 90. mL = 0.09…

Q: What is the pH of a 0.14 M solution of formic acid? What is the degree of ionization of HCHO2 in…

A: The Ka of formic acid is 1.8 X 10-4  And the ionisation reaction of formic acid is  => HCOOH…

Q: A chemist dissolves 217. mg of pure hydroiodic acid in enough water to make up 330. mL of solution.…

A: Mass of HI given is 217 mg Molar mass of HI is 128 g/mol. No. of moles of HI can be calculated as:…

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 326. mg of pure hydrochloric acid in enough water to make up 250. mL of…

A: In aqueous solution, hydronium ion potential indicates the solution’s pH. The higher strength of…

Q: A chemist dissolves 552. mg of pure barium hydroxide in enough water to make up 190. mL of solution.…

A: We have given that  A chemist dissolve 552mg of pure barium hydroxide in enough water to make 190mL…

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 272. mg of pure potassium hydroxide in enough water to make up 100. mL of…

A: Given mass of KOH = 272 mg Volume of solution = 100 ml conversion 1 mg = 10-3 g 1 ml = 10-3 L

Q: A chemist dissolves 98. mg of pure barium hydroxide in enough water to make up 80. mL of solution.…

A:

Q: A chemist dissolves 415. mg of pure potassium hydroxide in enough water to make up 170. mL of…

A:

Q: A chemist dissolves 248. mg of pure hydrochloric acid in enough water to make up 340. mL of…

A: Mass of HCl = 248 mg = (248 / 1000) g = 0.248 g Volume of solution = 340 mL = ( 340 / 1000 ) L =…