ercise 15.6 Formalin is an aqueous solution of formaldehyde, HCHO, used as a preservative for biologic specimens. How many grams of formaldehyde must be used to prepare 2.5 L of 12.3 M formalin?
BuyFindlaunch
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 15.4, Problem 15.6SC
Textbook Problem
ercise 15.6 Formalin is an aqueous solution of formaldehyde, HCHO, used as a preservative for biologic specimens. How many grams of formaldehyde must be used to prepare 2.5 L of 12.3 M formalin?
check_circle
Expert Solution
Want to see the full answer?
Check out a sample textbook solution.Chapter 15 Solutions
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...
Additional Science Textbook Solutions
Find more solutions based on key concepts
A certain element has only two naturally occurring isotopes: one with 18 neutrons and the other with 20 neutron...
Chemistry: An Atoms First Approach
Solid calcium phosphate and aqueous sulfuric acid solution react to give calcium sulfate, which comes out of th...
General Chemistry - Standalone book (MindTap Course List)
FIGURE 10.4 Cross section through Earths lithosphere and asthenosphere, and extending lower into the mantle. Wh...
Fundamentals of Physical Geography
Draw a shell model of a lithium atom (Li), which has 3 protons. Predict whether the majority of lithium atoms o...
Biology: The Unity and Diversity of Life (MindTap Course List)
Systematisms prefer to recognize monophyletic taxa rather than polyphyletic taxa. Why?
Biology (MindTap Course List)
A force F1, of magnitude 6.00 units acts on an object at the origin in a direction = 30.0 above the positive x...
College Physics
You overheard someone saying that eating disorders arent really diseases and that if people who have anorexia o...
Understanding Nutrition (MindTap Course List)
Hormones a. are rarely involved in disease processes. b. are chemical messengers that travel from one system of...
Nutrition: Concepts and Controversies - Standalone book (MindTap Course List)
A viewing window on the side of a large tank at a public aquarium measures 50 in, by 60 in. (Figure 4.56), The ...
Inquiry into Physics
Consider a lane that is 3 cm longer than the stated 50.00 m. What is the percent error in this lane's length?
Chemistry & Chemical Reactivity
32. Which wavelength of light is most likely to cause a sunburn? Explain.
a. 700 nm
b. 400 nm
c. 200 nm
Chemistry In Focus
When a toilet is flushed or a sink is drained, (and other material) begins to rotate about the drain on the way...
College Physics
At the gym Sean gets on a stair-climbing machine and climbs as fast as he can for fifteen minutes. At the end o...
Human Biology (MindTap Course List)
Acceleration may result from what? (2.3) (a) an increase in speed (b) a decrease in speed (c) a change in direc...
An Introduction to Physical Science
BIOCHEMICAL CONNECTIONS What is the direct cause of sickle- cell anemia (think primary structure)?
Biochemistry
The highest-velocity stars an astronomer might observe in the Milky Way Galaxy have velocities of about 400 km/...
Horizons: Exploring the Universe (MindTap Course List)
Do glycosides undergo mutarotation?
Introduction to General, Organic and Biochemistry
Consider the decomposition of A represented by circles, where each circle represents a molecule of A. Is the re...
Chemistry: Principles and Reactions
92 A mixture of Ar (0.40 moI), O2 (0.50 moI), and CH4 (0.30 moI) exerts a pressure of 740 mm Hg. If the methane...
Chemistry for Engineering Students
Define the terms alkene, alkyne, and aromatic hydrocarbon.
Chemistry for Today: General, Organic, and Biochemistry
A technician dissolves 12.00g of a nonvolatile solid into 100.0g of methyl ethyl ketone MEK. The vapor pressure...
Physical Chemistry
What are functional domains of proteins, and how are they formed?
Biology: The Dynamic Science (MindTap Course List)
Among living animals, only birds have ________. a. a cloaca c. feathers b. a four-chambered heart d. amniote eg...
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Weight loss surgery is the recommended, first-line treatment for obesity in adults. ______ True______ False
Nutrition Through The Life Cycle
In the following diagram, designate each daughter cell as diploid (2n) or haploid (n).
Human Heredity: Principles and Issues (MindTap Course List)
Case 1
1. In the emergency department, even though the patient's was very high (539 mm Hg), the level of 47 p...
Cardiopulmonary Anatomy & Physiology
20. The distance from New York to Los Angeles is 2777 miles. Convert this distance into each of the following u...
Chemistry In Focus
Use rise web to look up the percentage of dopant for a commercially available p-type semiconductor. Imagine tha...
Chemistry for Engineering Students
Which of the following is the general structural formula for a thioester? a. no correct response
Organic And Biological Chemistry
Maleic acid has a dipole moment, but the closely related fumaric acid, a substance involved in the citric acid ...
Organic Chemistry
What is energy quality? Distinguish between high-quality energy and low-quality energy and give an example of e...
Environmental Science (MindTap Course List)
Math Review Convert the following numbers to scientific notation. (a) 568 017 (b) 0.000 309
College Physics
A small particle of mass m is pulled to the top of a friction less half-cylinder (of radius R) by a light cord ...
Physics for Scientists and Engineers
Which of the following factors contributes to increased iron needs among adolescents? a. Increased growth veloc...
Nutrition Through the Life Cycle (MindTap Course List)
If you had convincing evidence that at least half of Greenlands glaciers(Core Case Study)were sure tomelt durin...
Environmental Science (MindTap Course List)
With which of the rulers in Problem 2-23 was each of the following measurements made, assuming that you cannot ...
General, Organic, and Biological Chemistry
The measure of an atoms ability to pull electrons away from another atom is called ________ . a. electronegativ...
Biology: The Unity and Diversity of Life (MindTap Course List)
An asteroid is on a collision course with Earth. An astronaut lands on the rock to bury explosive charges that ...
Physics for Scientists and Engineers, Technology Update (No access codes included)
a What main difference between gases and liquids at the particulate level accounts for the large differences in...
Introductory Chemistry: An Active Learning Approach
Two acids, each approximately 0.01 M in concentration, are titrated separately with a strong base. The adds sho...
Chemistry & Chemical Reactivity
Alanine is one of the 20 amino acids (it contains both an amino and a carboxyl group) found in proteins (Chapte...
Organic Chemistry
Light of wavelength 515 nm is incident on two slits of width 1.545 m. The slits are 6.18 m apart. What is the r...
Physics for Scientists and Engineers: Foundations and Connections
What causes the two major types of ocean currents?
Oceanography: An Invitation To Marine Science, Loose-leaf Versin
In the Bohr model of the hydrogen atom (which will be covered in detail in Chapter 41), an electron in the lowe...
Physics for Scientists and Engineers with Modern Physics
What is expanding in Figure 17-5, the raisins or the bread? Formulate a general conclusion about the size of th...
Foundations of Astronomy (MindTap Course List)
