Login44A Physical Science Final ExamQuestion 18Tools -ABWorld War II for Kid...C✔Question 18Which of the following substances would give a pH test result greater than 7, and why?HBr, because the hydrogen ion causes the substance to be basic.D#ZoomGoogle Play Music.....NaOH, because the hydroxide ion causes the substance to be basic.H₂O, because it the hydrogen ion causes the substance to be acidic.H₂SO4, because the hydrogen ion causes the substance to be acidic.€2022 Illuminate Education TM, Inc.canx4Lgang720p

Acids are those substance which gives H+ ion when dissolved in water while bases are those substance…

Question 18 Tools Question 18 Which of the following substances would give a pH test result greater than 7, and why? HBr, because the hydrogen ion causes the substance to be basic. NaOH, because the hydroxide ion causes the substance to be basic. H₂O, because it the hydrogen ion causes the substance to be acidic. A B C Q Zoom D H₂SO4, because the hydrogen ion causes the substance to be acidic.

Question 18 Tools Question 18 Which of the following substances would give a pH test result greater than 7, and why? HBr, because the hydrogen ion causes the substance to be basic. NaOH, because the hydroxide ion causes the substance to be basic. H₂O, because it the hydrogen ion causes the substance to be acidic. A B C Q Zoom D H₂SO4, because the hydrogen ion causes the substance to be acidic.

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter15: Solutions Of Acids And Bases

Section: Chapter Questions

Problem 15.24QE

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For oxyacids, how does acid strength depend on a. the strength of the bond to the acidic hydrogen atom? b. the electronegativity of the element bonded to the oxygen atom that bears the acidic hydrogen? c. the number of oxygen atoms? How does the strength of a conjugate base depend on these factors? What type of solution forms when a nonmetal oxide dissolves in water? Give an example of such an oxide. What type of solution forms when a metal oxide dissolves in water? Give an example of such an oxide.
What is meant by pH? True or false: A strong acid solution always has a lower pH than a weak acid solution. Explain.
Suppose you have 557 mL of 0.0300 M HCl, and you want to make up a solution of HCl that has a pH of 1.751. What is the maximum volume (in liters) that you can make of this solution?
. Strong buses are bases that completely ionize in water to produce hydroxide ion, OH-. The strong bases include the hydroxides of the Group I elements. For example, if 1.0 mole of NaOH is dissolved per liter, the concentration of OH ion is 1.0 M. Calculate the [OH-], pOH, and pH for each of the following strong base solutions. a. 1.10 M NaOH b. 2.0104M KOH c. 6.2103M CsOH d. 0.0001 M NaOH
Two strategies are followed when solving for the pH of an acid in water. What is the strategy for calculating the pH of a strong acid in water? What major assumptions are made when solving strong acid problems? The best way to recognize strong acids is to memorize them. List the six common strong acids (the two not listed in the text are HBr and HI). Most acids, by contrast, are weak acids. When solving for the pH of a weak acid in water, you must have the Ka value. List two places in this text that provide Ka values for weak acids. You can utilize these tables to help you recognize weak acids. What is the strategy for calculating the pH of a weak acid in water? What assumptions are generally made? What is the 5% rule? If the 5% rule fails, how do you calculate the pH of a weak acid in water?
. Consider 0.25 M solutions of the following salts: NaCl. RbOC1, KI, Ba(ClO4),, and NH4NO3. For each salt, indicate whether the solution is acidic, basic, or neutral.
In a particular solution, acetic acid is 11% ionized at 25 C. Calculate the pH of the solution and the mass of acetic acid dissolved to yield 1.00L of solution.
Two students were asked to determine the Kb of an unknown base. They were given a bottle with a solution in it. The bottle was labeled aqueous solution of a monoprotic strong acid. They were also given a pH meter, a buret, and an appropriate indicator. They reported the following data: volume of acid required for neutralization = 21.0 mL pH after 7.00 mL of strong acid added = 8.95 Use the students' data to determme the Kb of the unknown base.