Chemistry & Chemical Reactivity
9th Edition
ISBN: 9781133949640
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 2.9, Problem 4RC
Interpretation Introduction
Interpretation: The molecule which contains largest number of moles is to be identified from the given options.
Concept introduction:
Molar masses of
- Conversion formula for mass of an
atom into number moles,
- Conversion formula for number of molecules and number of moles,
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Calculate the following quantities:(a) mass, in grams, of 1.50 x 10-2 mol CdS(b) number of moles of NH4Cl in 86.6 g of this substance(c) number of molecules in 8.447 x 10-2 mol C6H6
How many molecules of butane (C H10) are contained in the following number of moles:
(a) 4.80 mol; (b) 0.580 mol? The answer should be provided in scientific notation.
(a)
X 10 (select)
molecules
(b)
X 10
(select)
molecules
Calculate the following quantities:(a) mass, in grams, of 0.105 mol sucrose 1C12H22O112(b) moles of Zn1NO322 in 143.50 g of this substance(c) number of molecules in 1.0 * 10-6 mol CH3CH2OH(d) number of N atoms in 0.410 mol NH3
Chapter 2 Solutions
Chemistry & Chemical Reactivity
Ch. 2.2 - 1. What is the mass of an iron atom with 30...Ch. 2.2 - 1. The mass of an atom of manganese is 54.9380 u....Ch. 2.2 - An atom contains 12 neutrons and has a mass number...Ch. 2.3 - 1. Silver has two isotopes, one with 60 neutrons...Ch. 2.3 - 2. A naturally occurring sample of argon contains...Ch. 2.4 - Verify that the atomic weight of chlorine is...Ch. 2.4 - Neon has three stable isotopes, one with a small...Ch. 2.4 - 1. Which is the more abundant isotope of copper,...Ch. 2.4 - 2. Which of the following is closest to the...Ch. 2.4 - Prob. 3RC
Ch. 2.5 - Prob. 1QCh. 2.5 - Prob. 2QCh. 2.5 - Which of the following elements is a metalloid?...Ch. 2.5 - Prob. 2RCCh. 2.5 - Prob. 3RCCh. 2.5 - Prob. 4RCCh. 2.6 - Prob. 1RCCh. 2.7 - Give the number and identity of the constituent...Ch. 2.7 - (a) Write the formulas of all neutral ionic...Ch. 2.7 - Prob. 1RCCh. 2.7 - Prob. 2RCCh. 2.7 - Prob. 3RCCh. 2.7 - The formula of barium acetate is (a) Ba(CH3CO2)2...Ch. 2.7 - 5. The name of the compound with the formula V2O3...Ch. 2.7 - Which should have the higher melting point, MgO or...Ch. 2.8 - Prob. 1RCCh. 2.8 - Prob. 2RCCh. 2.8 - Prob. 3RCCh. 2.8 - Prob. 4RCCh. 2.9 - The density of gold, Au, is 19.32 g/cm3. What is...Ch. 2.9 - If you have 454 g of citric acid (H3C6H5O7), what...Ch. 2.9 - Prob. 1RCCh. 2.9 - Which of the following contains the largest number...Ch. 2.9 - Which of the following has the largest mass? (a)...Ch. 2.9 - Prob. 4RCCh. 2.9 - Prob. 5RCCh. 2.10 - 1. Express the composition of ammonium carbonate,...Ch. 2.10 - 1. What is the empirical formula of naphthalene,...Ch. 2.10 - Gallium oxide, GaxOy forms when gallium is combine...Ch. 2.10 - Hydrated nickel(II) chloride is a beautiful green,...Ch. 2.10 - Prob. 1QCh. 2.10 - Salvarsan was long thought to be a single...Ch. 2.10 - To determine the density of atmospheric nitrogen....Ch. 2.10 - The density of a mixture of gases may be...Ch. 2.10 - Atmospheric argon is a mixture of three stable...Ch. 2.10 - Given that the density of argon is 1.78 g/L under...Ch. 2.10 - 1. Which of the following hydrocarbons has the...Ch. 2.10 - 2. An organic compound has an empirical formula...Ch. 2.10 - Eugenol is the major component in oil of cloves....Ch. 2.10 - 4. Epsom salt is MgSO4 · 7H2O. When heated to 70...Ch. 2 - Prob. 1PSCh. 2 - Define mass number. What is the difference between...Ch. 2 - An atom has a very small nucleus surrounded by an...Ch. 2 - A gold atom has a radius of 145 pm. If you could...Ch. 2 - Give the complete symbol(ZAX), including atomic...Ch. 2 - Give the complete symbol(ZAX), including atomic...Ch. 2 - Prob. 7PSCh. 2 - Atomic structure. (a) The synthetic radioactive...Ch. 2 - Prob. 9PSCh. 2 - In 1886 Eugene Goldstein observed positively...Ch. 2 - Marie Curie was born in Poland but studied and...Ch. 2 - Prob. 12PSCh. 2 - The mass of an 16 O atom is 15.995 u. What is its...Ch. 2 - What is the mass of one 16O atom, in grams? (The...Ch. 2 - Cobalt has three radioactive isotopes used in...Ch. 2 - Naturally occurring silver exists as two isotopes...Ch. 2 - Name and describe the composition of the three...Ch. 2 - Which of the following are isotopes of element X,...Ch. 2 - Thallium has two stable isotopes, 203TIand 205Tl....Ch. 2 - Strontium has four stable isotopes. Strontium-84...Ch. 2 - Verify that the atomic weight of lithium is 6.94,...Ch. 2 - Verify that the atomic weight of magnesium is...Ch. 2 - Gallium has two naturally occurring isotopes, 69Ga...Ch. 2 - Europium has two stable isotopes, 151Eu and 153Eu,...Ch. 2 - Titanium and thallium have symbols that are easily...Ch. 2 - In Groups 4A-6A, there are several elements whose...Ch. 2 - How many periods of the periodic table have 8...Ch. 2 - Prob. 28PSCh. 2 - Prob. 29PSCh. 2 - Prob. 30PSCh. 2 - Classify the following elements as metals,...Ch. 2 - Prob. 32PSCh. 2 - Prob. 33PSCh. 2 - Prob. 34PSCh. 2 - What is the charge on the common monatomic ions of...Ch. 2 - What is the charge on the common monatomic ions of...Ch. 2 - Prob. 37PSCh. 2 - Prob. 38PSCh. 2 - When a potassium atom becomes a monatomic ion, how...Ch. 2 - When oxygen and sulfur atoms become monatomic...Ch. 2 - Prob. 41PSCh. 2 - Prob. 42PSCh. 2 - Give the formula and the number of each ion that...Ch. 2 - Give the formula and the number of each ion that...Ch. 2 - Prob. 45PSCh. 2 - Prob. 46PSCh. 2 - Prob. 47PSCh. 2 - Prob. 48PSCh. 2 - Prob. 49PSCh. 2 - Prob. 50PSCh. 2 - Prob. 51PSCh. 2 - Prob. 52PSCh. 2 - Write the formulas for the four ionic compounds...Ch. 2 - Write the formulas for the four ionic compounds...Ch. 2 - Sodium ions, Na+, form ionic compounds with...Ch. 2 - Consider the two ionic compounds NaCl and CaO. In...Ch. 2 - Prob. 57PSCh. 2 - Name each of the following binary, nonionic...Ch. 2 - Prob. 59PSCh. 2 - Prob. 60PSCh. 2 - Calculate the mass, in grams, of each the...Ch. 2 - Calculate the mass, in grams, of each the...Ch. 2 - Calculate the amount (moles) represented by each...Ch. 2 - Calculate the amount (moles) represented by each...Ch. 2 - You are given 1.0-g samples of He, Fe, Li, Si, and...Ch. 2 - You are given 0.10-g samples of K, Mo, Cr, and Al....Ch. 2 - Analysis of a 10.0-g sample of apatite (a major...Ch. 2 - A semiconducting material is composed of 52 g of...Ch. 2 - Calculate the molar mass of each of the following...Ch. 2 - Calculate the molar mass of each of the following...Ch. 2 - Calculate the molar mass of each hydrated...Ch. 2 - Prob. 72PSCh. 2 - What mass is represented by 0.0255 mol of each of...Ch. 2 - Assume you have 0.123 mol of each of the following...Ch. 2 - Sulfur trioxide, SO3, is made industrially in...Ch. 2 - How many ammonium ions and how many sulfate ions...Ch. 2 - Acetaminophen, whose structure is drawn below, is...Ch. 2 - An Alka-Seltzer tablet contains 324 mg of aspirin...Ch. 2 - Calculate the mass percent of each element in the...Ch. 2 - Calculate the mass percent of each element in the...Ch. 2 - Calculate the mass percent of copper in CuS,...Ch. 2 - Calculate the mass percent of titanium in the...Ch. 2 - Succinic acid occurs in fungi and lichens. Its...Ch. 2 - An organic compound has the empirical formula...Ch. 2 - Prob. 85PSCh. 2 - Complete the following table:Ch. 2 - Acetylene is a colorless gas used as a fuel in...Ch. 2 - A large family of boron-hydrogen compounds has the...Ch. 2 - Cumene, a hydrocarbon, is a compound composed only...Ch. 2 - In 2006, a Russian team discovered an interesting...Ch. 2 - Mandelic acid is an organic acid composed of...Ch. 2 - Nicotine, a poisonous compound found in tobacco...Ch. 2 - A compound containing xenon and fluorine was...Ch. 2 - Elemental sulfur (1.256 g) is combined with...Ch. 2 - Epsom salt is used in tanning leather and in...Ch. 2 - You combine 1.25 g of germanium, Ge, with excess...Ch. 2 - Fill in the blanks in the table (one column per...Ch. 2 - Potassium has three naturally occurring isotopes...Ch. 2 - Crossword Puzzle: In the 2 2 box shown here, each...Ch. 2 - The following chart shows a general decline in...Ch. 2 - Copper atoms. (a) What is the average mass of one...Ch. 2 - Prob. 102GQCh. 2 - Prob. 103GQCh. 2 - Identify two nonmetallic elements that have...Ch. 2 - Prob. 105GQCh. 2 - Prob. 106GQCh. 2 - Prob. 107GQCh. 2 - When a sample of phosphorus burns in air, the...Ch. 2 - Although carbon-12 is now used as the standard for...Ch. 2 - A reagent occasionally used in chemical synthesis...Ch. 2 - Prob. 111GQCh. 2 - Prob. 112GQCh. 2 - Which of the following compounds has the highest...Ch. 2 - Which of the following samples has the largest...Ch. 2 - The structure of one of the bases in DNA, adenine,...Ch. 2 - Prob. 116GQCh. 2 - A drop of water has a volume of about 0.050 mL....Ch. 2 - Capsaicin, the compound that gives the hot taste...Ch. 2 - Prob. 119GQCh. 2 - Write the molecular formula and calculate the...Ch. 2 - Malic acid, an organic acid found in apples,...Ch. 2 - Your doctor has diagnosed you as being anemicthat...Ch. 2 - A compound composed of iron and carbon monoxide,...Ch. 2 - Ma huang, an extract from the ephedra species of...Ch. 2 - Saccharin, a molecular model of which is shown...Ch. 2 - Prob. 126GQCh. 2 - Write the formula for each of the following pounds...Ch. 2 - Complete the table by placing symbols, formulas,...Ch. 2 - Empirical and molecular formulas. (a)...Ch. 2 - Cacodyl, a compound containing arsenic, was...Ch. 2 - The action of bacteria on meat and fish produces a...Ch. 2 - In the laboratory you combine 0.125 g of nickel...Ch. 2 - A compound called MMT was once used to boost the...Ch. 2 - Elemental phosphorus is made by heating calcium...Ch. 2 - Chromium is obtained by heating chromium(III)...Ch. 2 - Stibnite, Sb2S3, is a dark gray mineral from which...Ch. 2 - Direct reaction of iodine (I2) and chlorine (Cl2)...Ch. 2 - In a reaction, 2.04 g of vanadium combined with...Ch. 2 - Iron pyrite, often called fools gold, has the...Ch. 2 - Which of the following statements about 57.1 g of...Ch. 2 - The formula of barium molybdate is BaMoO4. Which...Ch. 2 - A metal M forms a compound with the formula MCl4....Ch. 2 - Pepto-Bismol, which can help provide relief for an...Ch. 2 - The weight percent of oxygen in an oxide that has...Ch. 2 - The mass of 2.50 mol of a compound with the...Ch. 2 - The elements A and Z combine to produce two...Ch. 2 - Polystyrene can be prepared by heating styrene...Ch. 2 - A sample of hemoglobin is found to be 0.335% iron....Ch. 2 - Consider an atom of 64Zn. (a) Calculate the...Ch. 2 - Estimating the radius of a lead atom. (a) You are...Ch. 2 - A piece of nickel foil, 0.550 mm thick and 1.25 cm...Ch. 2 - Uranium is used as a fuel, primarily in the form...Ch. 2 - In an experiment, you need 0.125 mol of sodium...Ch. 2 - Mass spectrometric analysis showed that there are...Ch. 2 - The mass spectrum of CH3Cl is illustrated here....Ch. 2 - Prob. 156GQCh. 2 - If Epsom salt, MgSO4 x H2O, is heated to 250 C,...Ch. 2 - The alum used in cooking is potassium aluminum...Ch. 2 - Tin metal (Sn) and purple iodine (I2) combine to...Ch. 2 - When analyzed, an unknown compound gave these...Ch. 2 - Two general chemistry students working together in...Ch. 2 - To find the empirical formula of tin oxide, you...Ch. 2 - Prob. 163SCQCh. 2 - Prob. 164SCQCh. 2 - The photo here depicts what happens when a coil of...Ch. 2 - A jar contains some number of jelly beans. To find...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- 4.69 The pictures below show a molecular-scale view of a chemical reaction between H2 and CO to produce methanol, CH3OH. The box on the left represents the reactants at the instant of mixing, and the box on the right shows what is left once the reaction has gone to completion. Was there a limiting reactant in this reaction? If so, what was it? Write a balanced chemical equation for this reaction. As usual, your equation should use the smallest possible whole number coefficients for all substances.arrow_forwardWrite an equation from the following description: reactants are gaseous NH3 and O2, products are gaseous NO2 and liquid H2O, and the stoichiometric coefficients are 4, 7, 4, and 6, respectively.arrow_forward3.105 Nitric acid is often sold and transported as a concentrated 16 M aqueous solution. How many gallons of such a solution would be needed to contain the roughly 2.1109 pounds of HNO3 produced annually in the United States?arrow_forward
- Fig. 5-5 illustrates a schematic diagram of a combustion device used to analyze organic compounds. Given that a certain amount of a compound containing carbon, hydrogen, and oxygen is combusted in this device, explain how the data relating to the mass of CO2 produced and the mass of H2O produced can be manipulated to determine the empirical formula.arrow_forward4-52 The molecular weight of hemoglobin is about 68,000 amu. What is the mass in grams of a single molecule of hemoglobin?arrow_forward3.115 The average person exhales 1.0 kg of carbon dioxide in a day. Describe how you would estimate the number of CO2 molecules exhaled per breath for this average person.arrow_forward
- 800 (c) 89LI (t) The term mole is a unit used to represent (1) density of particles (2) an element or compound's gram-formula mass (4) (3) In a balanced equation, coefficieņts always represent (1) The number of atoms present (2) The ratio of volumes of substances (3) The mole ratios of reactants and products (4) The volume ratios of reactants and productsarrow_forwardCalculate each of the following quantities:(a) Total number of ions in 38.1 g of SrF₂(b) Mass in kilograms of 3.58 mol of CuCl₂.2H₂O(c) Mass in milligrams of 2.88x10^22 formula units of Bi(NO₃).35H₂Oarrow_forwardCinnamic alcohol is used mainly in perfumery, particularly in soaps and cosmetics. Its molecular formula is C9H10O. (a) Calculate the percent composition by mass of C, H, and O in cinnamic alcohol. H % (b) How many molecules of cinnamic alcohol are contained in a 0.668-g sample? |× 10 molecules (Enter your answer in scientific notation)arrow_forward
- Nitrogen (N2)and hydrogen (H2) react to form ammonia(NH3). Consider the mixture of N2 and H2 shown in theaccompanying diagram. The blue spheres represent N, andthe white ones represent H. (a) Write the balanced chemicalequation for the reaction. (b) What is the limiting reactant?(c) How many molecules of ammonia can be made, assumingthe reaction goes to completion, based on the diagram?(d) Are any reactant molecules left over, based on the diagram?If so, how many of which type are left over?arrow_forwardThe following quantities are placed in a container: 1.5 × 1024 atoms of hydrogen, 1.0 mol of sulfur, and 88.0 gof diatomic oxygen. (a) What is the total mass in grams for the collection of all three elements? (b) What is the total number of moles of atoms for the three elements? (c) If the mixture of the three elements formed a compound with molecules that contain two hydrogen atoms, onesulfur atom, and four oxygen atoms, which substance is consumed first? (d) How many atoms of each remaining element would remain unreacted in the change described in (c)?arrow_forwardCalculate the following quantities:(a) mass, in grams, of 0.105 mol sucrose (C12H22O11)(b) moles of Zn(NO3)2 in 143.50 g of this substance(c) number of molecules in 1.0 *x 10-6 mol CH3CH2OH(d) number of N atoms in 0.410 mol NH3arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Chemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning
Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning
Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
Chemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
Chemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning
Chemistry for Engineering Students
Chemistry
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Cengage Learning
Introduction to General, Organic and Biochemistry
Chemistry
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
Chemistry
Chemistry
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Chemistry: An Atoms First Approach
Chemistry
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Cengage Learning
Step by Step Stoichiometry Practice Problems | How to Pass ChemistryMole Conversions Made Easy: How to Convert Between Grams and Moles; Author: Ketzbook;https://www.youtube.com/watch?v=b2raanVWU6c;License: Standard YouTube License, CC-BY