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4.55) The mass percent of CI¯ in a seawater sample is determined by titrating 25.00 mL of seawater with AgNO3 solution, causing a precipitation reaction. An indicator is used to detect the end point, which occurs when free Ag+ ion is present in solution after all the CI has reacted. If 53.63 mL of 0.2970 M AGNO3 is required to reach the end point, what is the mass percent of CI¯ in the seawater (d of seawater = 1.024 g/mL)?

4.55) The mass percent of CI¯ in a seawater sample is determined by titrating 25.00 mL of seawater with AgNO3 solution, causing a precipitation reaction. An indicator is used to detect the end point, which occurs when free Ag+ ion is present in solution after all the CI has reacted. If 53.63 mL of 0.2970 M AGNO3 is required to reach the end point, what is the mass percent of CI¯ in the seawater (d of seawater = 1.024 g/mL)?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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question 55 please
- (b ions is (4) NH,Br(aq) + Pb(CH;COO)2(aq) → (b) If each sphere represents 2.5x10 mol of ion, find the total number of ions present. (c) What is the mass of solid formed? lanced 4.53 A 1.50-g sample of an unknown alkali-metal carbonate was dissolved in water, and 31.10 mL of 0.350 M CaCl2 was required to precipitate all the carbonate ions as CaCO3. Give the name and formula of the unknown compound. ons is lanced 4.54 A 0.750-g sample of a compound that might be iron(II) chloride, nickel(II) chloride, or zinc chloride is dissolved in water, and 22.40 mL of 0.515 M AGNO3 is required to completely precipitate all the chlo- ride ion as AgCI. Name the compound, and write its formula. ons is anced Problems in Context 4.55 The mass percent of Cl in a seawater sample is determined by titrating 25.00 mL of seawater with AgNO3 solution, causing a precipitation reaction. An indicator is used to detect the end point, which occurs when free Ag* ion is present in solution after all the CI has reacted. If 53.63 mL of 0.2970 M AgNO3 is required to reach the end point, what is the mass percent of Cl¯ in the seawater (d of seawater = 1.024 g/mL)? 4.56 Aluminum sulfate, known as cake alum, has a wide range of uses, from dyeing leather and cloth to purifying sewage. In aqueous solution, it reacts with base to form a white precipitate. (a) Write balanced total and net ionic equations for its reaction with aqueous NaOH. (b) What mass of precipitate forms when 185.5 mL of 0.533 M NaOH is added to 627 mL of a solution ons is anced with what otas- that contains 15.8 g of aluminum sulfate per liter? s the Acid-Base Reactions (Sample Problems 4.12 to 4.16) 60 M e? Concept Review Questions 4.57 Is the total ionic equation the same as the net ionic equation when Sr(OH)2(aq) and H,SO4(aq) react? Explain. 4.58 Write a general equation for a neutralization reaction. 35 М ide? 4.59 (a) Name three common strong acids. (b) Name three com-
Transcribed Image Text:- (b ions is (4) NH,Br(aq) + Pb(CH;COO)2(aq) → (b) If each sphere represents 2.5x10 mol of ion, find the total number of ions present. (c) What is the mass of solid formed? lanced 4.53 A 1.50-g sample of an unknown alkali-metal carbonate was dissolved in water, and 31.10 mL of 0.350 M CaCl2 was required to precipitate all the carbonate ions as CaCO3. Give the name and formula of the unknown compound. ons is lanced 4.54 A 0.750-g sample of a compound that might be iron(II) chloride, nickel(II) chloride, or zinc chloride is dissolved in water, and 22.40 mL of 0.515 M AGNO3 is required to completely precipitate all the chlo- ride ion as AgCI. Name the compound, and write its formula. ons is anced Problems in Context 4.55 The mass percent of Cl in a seawater sample is determined by titrating 25.00 mL of seawater with AgNO3 solution, causing a precipitation reaction. An indicator is used to detect the end point, which occurs when free Ag* ion is present in solution after all the CI has reacted. If 53.63 mL of 0.2970 M AgNO3 is required to reach the end point, what is the mass percent of Cl¯ in the seawater (d of seawater = 1.024 g/mL)? 4.56 Aluminum sulfate, known as cake alum, has a wide range of uses, from dyeing leather and cloth to purifying sewage. In aqueous solution, it reacts with base to form a white precipitate. (a) Write balanced total and net ionic equations for its reaction with aqueous NaOH. (b) What mass of precipitate forms when 185.5 mL of 0.533 M NaOH is added to 627 mL of a solution ons is anced with what otas- that contains 15.8 g of aluminum sulfate per liter? s the Acid-Base Reactions (Sample Problems 4.12 to 4.16) 60 M e? Concept Review Questions 4.57 Is the total ionic equation the same as the net ionic equation when Sr(OH)2(aq) and H,SO4(aq) react? Explain. 4.58 Write a general equation for a neutralization reaction. 35 М ide? 4.59 (a) Name three common strong acids. (b) Name three com-
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