General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN: 9781305580343
Author: Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 3, Problem 3.5QP
Interpretation Introduction
Interpretation:
The steps involving in determination of empirical formula from percentage composition should be explained.
Concept introduction:
Empirical formula:
The simplest percentage composition of elements present in the compound is given by empirical formula.
Molecular formula:
The number of elements present in the compound is given by molecular formula.
Mass percent:
The mass percent of analyte, which is present in taken amount (mass) of sample, is given by percent ratio of mass of analyte and taken mass of sample.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
A compound has the following percentage mass composition: 71.35% carbon, 12.00% hydrogen, and 16.65% nitrogen. Its molar mass is 252.48 g/mole. Determine its molecular
The percent composition of an unknown compound derived from marine fungus is 66.31 % carbon, 4.77 %
hydrogen, 3.68 % nitrogen and oxygen. Determine the empirical and the molecular formula of the unknown
compound. The molar mass of the unknown compound ranges between 330 – 520 g/mol.
The percent composition by mass of an unknown compound with a molecular mass of 150.13 u is 40.002% C, 6.7135% H, and 53.284% . Determine the compound's empirical and molecular formulas.
Chapter 3 Solutions
General Chemistry - Standalone book (MindTap Course List)
Ch. 3.1 - Calculate the formula weights of the following...Ch. 3.1 - For the following compounds, write the molecular...Ch. 3.2 - a. What is the mass in grams of a calcium atom,...Ch. 3.2 - Hydrogen peroxide, H2O2, is a colorless liquid. A...Ch. 3.2 - Nitric acid, HNO3, is a colorless, corrosive...Ch. 3.2 - Hydrogen cyanide, HCN, is a volatile, colorless...Ch. 3.2 - You have 1.5 moles of tricycles. a How many moles...Ch. 3.3 - Ammonium nitrate, NH4NO3, which is prepared from...Ch. 3.3 - How many grams of nitrogen, N, are there in a...Ch. 3.4 - A 3.87-mg sample of ascorbic acid (vitamin C)...
Ch. 3.4 - Prob. 3.2CCCh. 3.5 - A sample of compound weighing 83.5 g contains 33.4...Ch. 3.5 - Benzoic acid is a white, crystalline powder used...Ch. 3.5 - The percentage composition of acetaldehyde is...Ch. 3.5 - Prob. 3.3CCCh. 3.6 - In an industrial process, hydrogen chloride, HCl,...Ch. 3.7 - Sodium is a soft, reactive metal that instantly...Ch. 3.7 - Sphalerite is a zinc sulfide (ZnS) mineral and an...Ch. 3.7 - The British chemist Joseph Priestley prepared...Ch. 3.7 - The main reaction of a charcoal grill is C(s) +...Ch. 3.8 - Solid ReO3 is a material that is an extremely good...Ch. 3.8 - Aluminum chloride, AlCl3, is used as a catalyst in...Ch. 3.8 - In an experiment, 7.36 g of zinc was heated with...Ch. 3.8 - New industrial plants for acetic acid react liquid...Ch. 3.8 - Prob. 3.6CCCh. 3 - What is the difference between a formula weight...Ch. 3 - Describe in words how to obtain the formula weight...Ch. 3 - One mole of N2 contains how many N2 molecules? How...Ch. 3 - Prob. 3.4QPCh. 3 - Prob. 3.5QPCh. 3 - A substance has the molecular formula C6H12O2....Ch. 3 - Hydrogen peroxide has the empirical formula HO and...Ch. 3 - Describe in words the meaning of the equation...Ch. 3 - Prob. 3.9QPCh. 3 - Prob. 3.10QPCh. 3 - Prob. 3.11QPCh. 3 - Prob. 3.12QPCh. 3 - How many grams of NH3 will have the same number of...Ch. 3 - Which of the following has the largest number of...Ch. 3 - How many atoms are present in 123 g of magnesium...Ch. 3 - Calculations with Chemical Formulas and Equations...Ch. 3 - Prob. 3.17QPCh. 3 - Moles within Moles and Molar Mass Part 1: a How...Ch. 3 - You react nitrogen and hydrogen in a container to...Ch. 3 - Propane, C3H8, is the fuel of choice in a gas...Ch. 3 - Prob. 3.21QPCh. 3 - Prob. 3.22QPCh. 3 - High cost and limited availability of a reactant...Ch. 3 - Prob. 3.24QPCh. 3 - A friend asks if you would be willing to check...Ch. 3 - Prob. 3.26QPCh. 3 - Find the formula weights of the following...Ch. 3 - Find the formula weights of the following...Ch. 3 - Calculate the formula weight of the following...Ch. 3 - Calculate the formula weight of the following...Ch. 3 - Ammonium nitrate, NH4NO3, is used as a nitrogen...Ch. 3 - Phosphoric acid, H3PO4, is used to make phosphate...Ch. 3 - Calculate the mass (in grams) of each of the...Ch. 3 - Diethyl ether, (C2H5)2O, commonly known as ether,...Ch. 3 - Glycerol, C3H8O3, is used as a moistening agent...Ch. 3 - Calculate the mass in grams of the following. a...Ch. 3 - Calculate the mass in grams of the following. a...Ch. 3 - Boric acid, H3BO3, is a mild antiseptic and is...Ch. 3 - Carbon disulfide, CS2, is a colorless, highly...Ch. 3 - Obtain the moles of substance in the following. a...Ch. 3 - Obtain the moles of substance in the following. a...Ch. 3 - Calcium sulfate, CaSO4, is a white, crystalline...Ch. 3 - A 1.547-g sample of blue copper(II) sulfate...Ch. 3 - Calculate the following. a number of atoms in 8.21...Ch. 3 - Calculate the following. a number of atoms in 25.7...Ch. 3 - Carbon tetrachloride is a colorless liquid used in...Ch. 3 - Chlorine trifluoride is a colorless, reactive gas...Ch. 3 - A 1.680-g sample of coal contains 1.584 g C....Ch. 3 - A 6.01-g aqueous solution of isopropyl alcohol...Ch. 3 - Phosphorus oxychloride is the starting compound...Ch. 3 - Ethyl mercaptan is an odorous substance added to...Ch. 3 - A fertilizer is advertised as containing 14.0%...Ch. 3 - Seawater contains 0.0065% (by mass) of bromine....Ch. 3 - A sample of an alloy of aluminum contains 0.0898...Ch. 3 - A sample of gas mixture from a neon sign contains...Ch. 3 - Calculate the percentage composition for each of...Ch. 3 - Calculate the percentage composition for each of...Ch. 3 - Calculate the mass percentage of each element in...Ch. 3 - Calculate the mass percentage of each element in...Ch. 3 - Which contains more carbon, 6.01 g of glucose....Ch. 3 - Which contains more sulfur, 40.8 g of calcium...Ch. 3 - Ethylene glycol is used as an automobile...Ch. 3 - Prob. 3.64QPCh. 3 - An oxide of osmium (symbol Os) is a pale yellow...Ch. 3 - An oxide of tungsten (symbol W) is a bright yellow...Ch. 3 - Potassium bromate is a colorless, crystalline...Ch. 3 - Hydroquinone, used as a photographic developer, is...Ch. 3 - Acrylic acid, used in the manufacture of acrylic...Ch. 3 - Malonic acid is used in the manufacture of...Ch. 3 - Two compounds have the same composition: 92.25% C...Ch. 3 - Two compounds have the same composition: 85.62% C...Ch. 3 - Putreseine a substance produced by decaying...Ch. 3 - Compounds of boron with hydrogen are called...Ch. 3 - Oxalic acid is a toxic substance used by laundries...Ch. 3 - Adipic acid is used in the manufacture of nylon....Ch. 3 - Ethylene, C2H4, bums in oxygen to give carbon...Ch. 3 - Hydrogen sulfide gas, H2S, burns in oxygen to give...Ch. 3 - Prob. 3.79QPCh. 3 - Ethanol, C2H5OH, burns with the oxygen in air to...Ch. 3 - Iron in the form of fine wire burns in oxygen to...Ch. 3 - Prob. 3.82QPCh. 3 - Nitric acid, HNO3, is manufactured by the Ostwald...Ch. 3 - White phosphorus, P4, is prepared by fusing...Ch. 3 - Tungsten metal, W, is used to make incandescent...Ch. 3 - Acrylonitrile, C3H3N, is the starting material for...Ch. 3 - The following reaction, depicted using molecular...Ch. 3 - Using the following reaction (depicted using...Ch. 3 - When dinitrogen pentoxide, N2O5, a white solid, is...Ch. 3 - Copper metal reacts with mine acid. Assume that...Ch. 3 - Potassium superoxide, KO2, is used in rebreathing...Ch. 3 - Solutions of sodium hypochlorite, NaClO, are sold...Ch. 3 - Methanol, CH3OH, is prepared industrially from the...Ch. 3 - Carbon disulfide, CS2, burns in oxygen. Complete...Ch. 3 - Prob. 3.95QPCh. 3 - Hydrogen cyanide, HCN, is prepared from ammonia,...Ch. 3 - Aspirin (acetylsalicylic acid) is prepared by...Ch. 3 - Methyl salicylate (oil of wintergreen) is prepared...Ch. 3 - Caffeine, the stimulant in coffee and tea, has the...Ch. 3 - Morphine, a narcotic substance obtained from...Ch. 3 - A moth repellent, para-dichlorobenzene, has the...Ch. 3 - Sorbic acid is added to food as a mold inhibitor....Ch. 3 - Thiophene is a liquid compound of the elements C,...Ch. 3 - Aniline, a starting compound for urethane plastic...Ch. 3 - A sample of limestone (containing calcium...Ch. 3 - A titanium ore contains rutile (TiO2) plus some...Ch. 3 - Ethylene oxide, C2H4O, is made by the oxidation of...Ch. 3 - Nitrobenzene, C6H5NO2, an important raw material...Ch. 3 - Zinc metal can be obtained from zinc oxide, ZnO,...Ch. 3 - Hydrogen cyanide, HCN, can be made by a two-step...Ch. 3 - Calcium carbide, CaC2, used to produce acetylene,...Ch. 3 - A mixture consisting of 11.9 g of calcium...Ch. 3 - Alloys, or metallic mixtures, of mercury with...Ch. 3 - A sample of sandstone consists of silica, SiO2,...Ch. 3 - Prob. 3.115QPCh. 3 - Prob. 3.116QPCh. 3 - Exactly 4.0 g of hydrogen gas combines with 32 g...Ch. 3 - Aluminum metal reacts with iron(III) oxide to...Ch. 3 - Prob. 3.119QPCh. 3 - You perform a combustion analysis on a 255 mg...Ch. 3 - Prob. 3.121QPCh. 3 - A 3.0-L sample of paint that has a density of...Ch. 3 - A 12.1-g sample of Na2SO3 is mixed with a 14.6-g...Ch. 3 - Potassium superoxide, KO2, is employed in a...Ch. 3 - Calcium carbonate is a common ingredient in...Ch. 3 - Prob. 3.126QPCh. 3 - Prob. 3.127QPCh. 3 - Copper reacts with nitric acid according to the...Ch. 3 - A sample of methane gas, CH4(g), is reacted with...Ch. 3 - A sample containing only boron and fluorine was...Ch. 3 - Prob. 3.131QPCh. 3 - Prob. 3.132QPCh. 3 - A 0.500-g mixture of Cu2O and CuO contains 0.425 g...Ch. 3 - A mixture of Fe2O3, and FeO was found to contain...Ch. 3 - Hemoglobin is the oxygen-carrying molecule of red...Ch. 3 - Penicillin V was treated chemically to convert...Ch. 3 - A 3.41-g sample of a metallic element, M, reacts...Ch. 3 - Prob. 3.138QPCh. 3 - An alloy of iron (54.7%), nickel (45.0%), and...Ch. 3 - Prob. 3.140QPCh. 3 - A power plant is driven by the combustion of a...
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
- Describe in words how to obtain the formula weight of a compound from the formula.arrow_forwardPhenol is a compound of carbon, hydrogen, and oxygen used commonly as a disinfectant. Combustion of a 175-mg sample of phenol yielded 491 mg CO2 and 100. mg H2O. Calculate the empirical formula of phenol. Identify what other information is needed to determine whether the empirical formula is the actual molecular formula.arrow_forwardA sample of a hydrocarbon (a compound consisting of only carbon and hydrogen) contains 2.59 1023 atoms of hydrogen and is 17.3% hydrogen by mass. If the molar mass of the hydrocarbon is between 55 and 65 g/mol, what amount (moles) of compound is present, and what is the mass of the sample?arrow_forward
- Which molecule has a molecular mass of 28.05 amu?arrow_forwardQuinone, which is used in the dye industry and in chemical photography, is an organic compound containing only C, H, and O. Determine the empirical formula if 0.105 g of the compound gives 0.257 g CO2 and 0.0350 g H2O when burned completely.arrow_forward3.98 The characteristic odor of decaying flesh is due to the presence of various nitrogen-containing compounds. One such compound, called putrescine, was analyzed and found to contain 54.49% carbon, 13.72% hydrogen, and 31.78% nitrogen by mass. If the molar mass of putrescine is known to be between 85 and 105, what is its molecular formula?arrow_forward
- The iron oxide Fe2O3 reacts with carbon monoxide (CO)to give iron and carbon dioxide: Fe2O3+3CO2Fe+3CO2 The reaction of 433.2 g Fe2O3 with excess CO yields254.3 g iron. Calculate the theoretical yield of iron(assuming complete reaction) and its percentage yield.arrow_forwardOnly the empirical formula can be calculated from percentage composition data. What additional information is needed to calculate the molecular formula from the empirical formula, and if given this information, how is the molecular formula determined?arrow_forwardConsidering your answer to Exercise 79, which type of formula, empirical or molecular, can be obtained from elemental analysis that gives percent composition?arrow_forward
- l-Dopa is a drug used for the treatment of Parkinson’s disease. Elemental analysis shows it to be 54.82% carbon, 7.10% nitrogen, 32.46% oxygen, and the remainder hydrogen. Determine l-dopa’s empirical formula. The molar mass of l-dopa is 197.19 g/mol. Determine its molecular formula.arrow_forwardA compound was analyzed and found to contain the following percentages of elements by mass: carbon, 79.89%; hydrogen, 20.11%. l type='a'> Determine the empirical formula of the compound. i>Which of the following could be a molar mass of the compound? 13.018 g/mol 16.042g/mol 28.052 g/mol 30.068 g/mol 104.23 g/rnolarrow_forwardFrom the following list, identify each formula that could be an empirical formula. Write the empirical formulas of any compounds that are not already empirical formulas: C2H6O;Na2O2;C2H4O2;N2O5.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- General Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage LearningChemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoChemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning
General Chemistry - Standalone book (MindTap Cour...
Chemistry
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Cengage Learning
Chemistry: Matter and Change
Chemistry
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Glencoe/McGraw-Hill School Pub Co
Chemistry: Principles and Practice
Chemistry
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
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
GCSE Chemistry - Differences Between Compounds, Molecules & Mixtures #3; Author: Cognito;https://www.youtube.com/watch?v=jBDr0mHyc5M;License: Standard YouTube License, CC-BY