ercise 15.2 What mass of water must be added to 425 g of formaldehyde to prepare a 40.0 (by mass) solution of formaldehyde? This solution, called formalin, is used to preserve biological specimens.
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Introductory Chemistry: A Foundati...
9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425
BuyFindlaunch
Introductory Chemistry: A Foundati...
9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425
Solutions
Chapter
Section
Chapter 15.3, Problem 15.2SC
Textbook Problem
ercise 15.2 What mass of water must be added to 425 g of formaldehyde to prepare a 40.0 (by mass) solution of formaldehyde? This solution, called formalin, is used to preserve biological specimens.
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Introductory Chemistry: A Foundation
Ch. 15.3 - ercise 15.1 A 1 35-g sample of seawater is...Ch. 15.3 - ercise 15.2 What mass of water must be added to...Ch. 15.4 - ercise 15.3 Calculate the molarity of a solution...Ch. 15.4 - ercise 15.4 Give the concentrations of the ions in...Ch. 15.4 - ercise 15.5 Calculate the number of moles of Cl...Ch. 15.4 - ercise 15.6 Formalin is an aqueous solution of...Ch. 15.5 - ercise 15.7 What volume of 12 M HCI must be taken...Ch. 15.6 - at if all ionic solids were soluble in water? How...Ch. 15.6 - Exercise 15.8 When aqueous solutions of Na2SO3 and...Ch. 15.7 - ercise 15.9 Calculate the volume of 0.10 M HNO3...
Ch. 15.8 - ercise 15.10 Calculate the normality of a solution...Ch. 15.8 - Exercise 15.11 What volume of 0.50 N H2SO4 is...Ch. 15 - ou have a solution of table sail in water. What...Ch. 15 - onsider a sugar solution (solution A) with...Ch. 15 - You need to make 150.0 mL of a 0.10 M NaCI...Ch. 15 - ou have two solutions containing solute A. To...Ch. 15 - m>5. Which of the following do you need to know to...Ch. 15 - onsider separate aqueous solutions of HCI and...Ch. 15 - raw molecular-level pictures to differentiate...Ch. 15 - an one solution have a greater concentration than...Ch. 15 - xplain why the formula M1V1= M2V2works when...Ch. 15 - You have equal masses of different solutes...Ch. 15 - Which of the following solutions contains the...Ch. 15 - As with all quantitative problems in chemistry,...Ch. 15 - The figures below are molecular-level...Ch. 15 - The drawings below represent aqueous solutions....Ch. 15 - solution is a homogeneous mixture. Can you give an...Ch. 15 - ow do the properties of a nonhomogeneous...Ch. 15 - uppose you dissolved a teaspoon of sugar in a...Ch. 15 - n a solution, the substance present in the largest...Ch. 15 - n Chapter 14. you learned that the bonding forces...Ch. 15 - n oil spill spreads out on the surface of water,...Ch. 15 - . The “Chemistry in Focus” segment Water, Water...Ch. 15 - he Chemistry in Focus’ segment Green chemistry...Ch. 15 - hat does it mean to say that a solution is...Ch. 15 - If additional solute is added to a(n) _________...Ch. 15 - A solution is a homogeneous mixture and, unlike a...Ch. 15 - The label “concentrated H2SO4” on a bottle means...Ch. 15 - How do we define the mass percent composition of a...Ch. 15 - A solution that is 9% by mass glucose contains 9 g...Ch. 15 - Calculate the percent by mass of solute in each of...Ch. 15 - Calculate the percent by mass of solute in each of...Ch. 15 - Calculate the mass, in grams, of solute present in...Ch. 15 - Calculate how many grams of solute and solvent are...Ch. 15 - A sample of an iron alloy contains 92.1 g Fe. 2.59...Ch. 15 - Consider the iron alloy described in Question 19....Ch. 15 - An aqueous solution is to be prepared that will be...Ch. 15 - If 67.1 g of CaCl2 is added 10275 g of water,...Ch. 15 - A solution is to be prepared that will be 4.50% by...Ch. 15 - How many grams of KBr are contained in 125 g of a...Ch. 15 - What mass of each solute is present in 285 g of a...Ch. 15 - Hydrogen peroxide solutions sold in drugstores as...Ch. 15 - Sulfuric acid has a great affinity for water, and...Ch. 15 - A solvent sold for use in the laboratory contains...Ch. 15 - A solution you used in last week’s lab experiment...Ch. 15 - A solution labeled “0.25 M AICl3” would contain...Ch. 15 - What is a standard solution? Describe the steps...Ch. 15 - To prepare 500. mL of 1.02 M sugar solution, which...Ch. 15 - 33. For each of the following solutions, the...Ch. 15 - 34. For each of the following solutions, the...Ch. 15 - 35. For each of the following solutions, the mass...Ch. 15 - 36. For each of the following solutions, the mass...Ch. 15 - 37. A laboratory assistant needs to prepare 225 mL...Ch. 15 - 38. How many grams of formaldehyde are in 113.1 mL...Ch. 15 - 39. Standard solutions of calcium ion used to test...Ch. 15 - 40. An alcoholic iodine solution (“tincture” of...Ch. 15 - 41. If 42.5 g of NaOH is dissolved in water and...Ch. 15 - 42. Standard silver nitrate solutions are used in...Ch. 15 - 43. How many moles of the indicated solute does...Ch. 15 - 44. How many moles of the Indicated solute does...Ch. 15 - 45. What mass of the indicated solute does each of...Ch. 15 - 46. What mass of the indicated solute does each of...Ch. 15 - 47. What mass of NaOH pellets is required to...Ch. 15 - 48. What mass of solute is present in 225 mL of...Ch. 15 - 49. Calculate the number of moles of the indicated...Ch. 15 - 50. Calculate the number of moles of each ion...Ch. 15 - 51. An experiment calls for 125 mL of 0.105 M NaCl...Ch. 15 - 52. What volume of a 0.300 M CaCl2 solution is...Ch. 15 - 53. When a concentrated stock solution is diluted...Ch. 15 - 54. When the volume of a given solution is tripled...Ch. 15 - 55. Calculate the new molanty if each of the...Ch. 15 - 56. Calculate the new molarity (hat results when...Ch. 15 - 57. Many laboratories keep bottles of 3.0 M...Ch. 15 - 58. For convenience, one form of sodium hydroxide...Ch. 15 - 59. How would you prepare 275 mL of 0.350 M NaCl...Ch. 15 - 60. Suppose 325 in L of 0.150 M NaOH is needed for...Ch. 15 - 61. How much water must be added w 500. mL of...Ch. 15 - 62. During a summer research internship, you are...Ch. 15 - 63. The amount of nickel(II) present in an aqueous...Ch. 15 - 64. Generally only the carbonates of the Group I...Ch. 15 - 65. Many metal ions are precipitated from solution...Ch. 15 - 66. Calcium oxalate, CaCO4, is very insoluble in...Ch. 15 - 67. When aqueous solutions of lead(II) ion are...Ch. 15 - 68. Aluminum ion may be precipitated from aqueous...Ch. 15 - 69. What volume of 0.502 M NaOH solution would be...Ch. 15 - 70. What volume of a 0.500 M NaOH solution would...Ch. 15 - 71. A sample of sodium hydrogen carbonate solid...Ch. 15 - 72. The total acidity in water samples can be...Ch. 15 - 73. What volume of 1.00 M NaOH is required to...Ch. 15 - 74. What Volume of 0.101 M HNO3 is required to...Ch. 15 - 75. One equivalent of an acid is the amount of the...Ch. 15 - 76. A solution that contains 1 equivalent of acid...Ch. 15 - 77. Explain why the equivalent weight of H2SO4 is...Ch. 15 - 78. How many equivalents of hydroxide ion are...Ch. 15 - 79. For each of the following solutions, calculate...Ch. 15 - 80. For each of the following solutions, the mass...Ch. 15 - 81. Calculate the normality of each of the...Ch. 15 - 82. Calculate the normality of each of the...Ch. 15 - 83. A solution of phosphoric acid, H3PO4, is found...Ch. 15 - 84. A solution of the sparingly soluble base...Ch. 15 - 85. How many milliliters of 0.50 N NaOH are...Ch. 15 - 86. What volume of 0.104 N H2SO4is required to...Ch. 15 - 87. What volume of 0.151 N NaOH is required to...Ch. 15 - 88. Suppose that 27.34 mL of standard 0.1021 M...Ch. 15 - 89. A mixture is prepared by mixing 50.0 g of...Ch. 15 - 90. Explain the difference in meaning between the...Ch. 15 - 91. Suppose 50.0 mL of 0.250 M CoCl2 solution is...Ch. 15 - 92. If 500. g of water is added to 75 g of 25%...Ch. 15 - 93. Calculate the mass of AgCl formed, and the...Ch. 15 - 94. Baking soda (sodium hydrogen carbonate....Ch. 15 - 95. Many metal ions form insoluble sulfide...Ch. 15 - 96. Strictly speaking, the solvent is the...Ch. 15 - 97. Aqueous ammonia is typically sold by chemical...Ch. 15 - 98. What volume of hydrogen chloride gas at STP is...Ch. 15 - 99. What do we mean when we say that “like...Ch. 15 - The concentration of a solution of HCl is 33. 1 %...Ch. 15 - An experiment calls for 1.00 g of silver nitrate,...Ch. 15 - You mix 225.0 mL of a 2.5 M HCl solution with...Ch. 15 - A solution is 0.1% by mass calcium chloride....Ch. 15 - Calculate the mass, in grams, of NaCl present in...Ch. 15 - A 15.0% (by mass) NaCl solution is available....Ch. 15 - A certain grade of steel is made by dissolving 5.0...Ch. 15 - A sugar solution is prepared in such a way that it...Ch. 15 - How many grams of Na2CO3 are contained in 500. g...Ch. 15 - What mass of KNO3 is required to prepare 125 g of...Ch. 15 - A solution contains 7.5% by mass NaCl and 2.5% by...Ch. 15 - How many moles of each ion are present in 11.7 mL...Ch. 15 - You add 40.0 mL of water to 60.0 mL of a 2.00 M...Ch. 15 - For each of the following solutions, the mass of...Ch. 15 - You are given 1.00 gram of each of five...Ch. 15 - Concentrated hydrochloric acid is made by pumping...Ch. 15 - When 200.0 mL of 0.10M Zn(NO)2 is mixed with 100.0...Ch. 15 - How many moles of the indicated solute does each...Ch. 15 - How many moles and how many grains of the...Ch. 15 - If 10. g of AgNO3 is available, what volume of...Ch. 15 - Calculate the number of moles of each ion present...Ch. 15 - Calcium carbonate, CaCO3, can be obtained in a...Ch. 15 - Calculate the new molarity when 150. mL of water...Ch. 15 - How many milliliters of 18.0 M H2SO4 are required...Ch. 15 - Consider the reaction between 1.0 L of 3.0 M...Ch. 15 - When 10. L of water is added to 3.0 L of 6.0 M...Ch. 15 - An aqueous solution of ammonium sulfide is mixed...Ch. 15 - How many grams of Ba (NO3)2are required to...Ch. 15 - What minimum volume of 16 M sulfuric acid must be...Ch. 15 - What volume of 0.250 M HCI is required to...Ch. 15 - For each of the following solutions, the mass of...Ch. 15 - Calculate the normality of each of the following...Ch. 15 - A sodium dihydrogen phosphate solution was...Ch. 15 - How many milliliters of 0.105 M NaOH are required...Ch. 15 - If 27.5 mL of 3.510-2N Ca(OH)2solution is needed...Ch. 15 - You mix 100.0 mL of 0.100 M calcium chloride with...Ch. 15 - Consider the reaction between 0.156 L of 0.105 M...Ch. 15 - Calculate the concentration of all ions present...Ch. 15 - A solution is prepared by dissolving 0.6706 g of...Ch. 15 - What volume of 0.100 M NaOH is required to...Ch. 15 - A 500.0-mL sample of 0.200 M sodium phosphate is...Ch. 15 - A 450.O-mL sample of a 0.257 M solution of silver...Ch. 15 - A 50.00-mL sample of aqueous Ca(OH)2 requires...Ch. 15 - When organic compounds containing sulfur are...Ch. 15 - hat are some of the general properties of gases...Ch. 15 - ow does the pressure of the atmosphere arise?...Ch. 15 - hat is the SI unit of pressure? What units of...Ch. 15 - our textbook gives several definitions and...Ch. 15 - m>5. When using Boyle’s law in solving problems in...Ch. 15 - hat does Charles’s law tell us about how the...Ch. 15 - xplain how the concept of absolute zero came about...Ch. 15 - hat does Avogadro’s law tell us about the...Ch. 15 - m>9. What do we mean specifically by an ideal gas?...Ch. 15 - Dalton’s law of partial pressures concerns the...Ch. 15 - What happens to a gas sample when it is collected...Ch. 15 - Without consulting your textbook, list and explain...Ch. 15 - What does “STP’ stand for? What conditions...Ch. 15 - In general, how do we envision the structures of...Ch. 15 - Describe some of the physical properties of water....Ch. 15 - Define the normal boiling point of water. Why does...Ch. 15 - Are changes in state physical or chemical changes?...Ch. 15 - What is a dipole-dipole attraction? How do the...Ch. 15 - Define London dispersion forces. Draw a picture...Ch. 15 - Why does the process of vaporization require an...Ch. 15 - Define a crystalline solid. Describe in detail...Ch. 15 - Define the bonding that exists in metals and how...Ch. 15 - Define a solution. Describe how an ionic solute...Ch. 15 - Define a saturated solution. Does saturated mean...Ch. 15 - The concentration of a solution may be expressed...Ch. 15 - When a solution is diluted by adding additional...Ch. 15 - What is one equivalent of an acid? What does an...Ch. 15 - a. If the pressure on a 1 25-mL sample of gas is...Ch. 15 - a. lithe temperature of a 255-mL sample of gas is...Ch. 15 - Calculate the indicated quantity for each gas...Ch. 15 - Chlorine gas. Cl2, can be generated in small...Ch. 15 - When calcium carbonate is heated strongly, it...Ch. 15 - If an electric current is passed through molten...Ch. 15 - 34. Calculate the indicated quantity for each...Ch. 15 - 35. Calculate the indicated quantity for each...Ch. 15 - 36. Calculate the molarities of the solutions...Ch. 15 - 37. Calculate the volume (in milliliters) of each...Ch. 15 - 38. If 125 mL of concentrated sulfuric acid...Ch. 15 - 39. Rank the following species from lowest to...Ch. 15 - 40. In an open flask, 20.0 ml. of an aqueous...Ch. 15 - 41. Which of the following solutions contains the...Ch. 15 - 42. a. Fill in the following table as if it is a...
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