General Chemistry: Principles and Modern Applications (11th Edition)
11th Edition
ISBN: 9780132931281
Author: Ralph H. Petrucci, F. Geoffrey Herring, Jeffry D. Madura, Carey Bissonnette
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 3, Problem 118SAE
Interpretation Introduction
(a)
Interpretation:
To explain the
Concept introduction:
Atomic mass is the mass of an atom in atomic mass unit (amu).
Interpretation Introduction
(b)
Interpretation:
To explain the molecular mass of nitrogen.
Concept introduction:
The molecular mass of a substance is the mass in atomic mass unit (amu) of all the atoms in a given molecule.
Interpretation Introduction
(c)
Interpretation:
To explain the molar mass of nitrogen.
Concept introduction:
Molar mass of a substance is the mass in grams of one mole of the compound.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Calculate (a) the number of atoms in 1.05 × 10−6
mole of helium and (b) the number of moles of helium that
contains 2.33 × 1021 atoms.
3) An organic compound contains only C, H, and O. Complete combustion of a 3.185
g sample in an excess of oxygen yields 8.846 g CO2 and 2.507 g H2O.
(a) What is the percent composition, by mass, of this compound?
(b) What is the empirical formula of the compound?
(c) If the molar mass of this compound is 206 g/mol, what is the molecular formula?
(C: 12.01 g/mol; H: 1.01 g/mol; O: 16.0 g/mol)
Compound Y contains lead and oxygen only. 15.0 g of Y was found to contain 12.99 g lead. Find out the empirical formula of Y.
(Relative atomic mass: Pb = 207.2, O = 16.0)(a) Calculate the mass of oxygen present in 15.0 g Y.
(b) Hence, find out the empirical formula of the oxide.
Chapter 3 Solutions
General Chemistry: Principles and Modern Applications (11th Edition)
Ch. 3 - Refer to the color scheme given Figure 3-3, and...Ch. 3 - Give the molecular formulas for the molecules...Ch. 3 - Give the structure formulas of the molecules shown...Ch. 3 - Give the structure formulas of the molecules shown...Ch. 3 - Calculate the total number of (a) atoms one...Ch. 3 - Determine the mass, in grams, of a. 7.34molNO2 b....Ch. 3 - The amino acid methionine, which is essential in...Ch. 3 - Determine the number of moles of Br2 in a sample...Ch. 3 - Without doing detailed calculations, explain which...Ch. 3 - Without doing detailed calculations, determine...
Ch. 3 - Determine the number of moles of a. N2O4 in a 115...Ch. 3 - Determine the mass, in grams, of a. 2.10102 molS2...Ch. 3 - The content of is 15.5g/100 mLblood. The molar...Ch. 3 - In white phosphorus, P atoms are joined into P,...Ch. 3 - Prob. 15ECh. 3 - Prob. 16ECh. 3 - For the mineral torbernite, Cu( UO2)2( PO4)2,8H2O...Ch. 3 - For the compound Ge[S( CH 2 )4CH2]4 determine a....Ch. 3 - Determine the mass percent H in the hydrocarbon...Ch. 3 - Determine the mass percent O in the mineral...Ch. 3 - Determine the mass percent H in the hydrocarbon...Ch. 3 - Prob. 22ECh. 3 - Determine the mass percent of each of the elements...Ch. 3 - Prob. 24ECh. 3 - Determine the percent, by mass,of the indicated...Ch. 3 - All of the following minerals are semiprecious or...Ch. 3 - Without doing calculations, arrange the following...Ch. 3 - Prob. 28ECh. 3 - Two oxides of sulfur have nearly identical...Ch. 3 - An oxide of chromium used in chrome plating has a...Ch. 3 - Diethylene glycol, used to de-ice aircraft, is a...Ch. 3 - Prob. 32ECh. 3 - Determine the empirical formula of (a) the...Ch. 3 - Prob. 34ECh. 3 - A compound of carbon and hydrogen consists of...Ch. 3 - Selenium, an element used in the manufacture of...Ch. 3 - Indigo, the dye for blue jeans, has a percent...Ch. 3 - Prob. 38ECh. 3 - Prob. 39ECh. 3 - The element X forms the compound XOCI2 containing...Ch. 3 - Prob. 41ECh. 3 - Two compounds of CI and X are found to have...Ch. 3 - A 0.1888 g sample of a hydrocarbon produces 0.6260...Ch. 3 - Para-cresol (p-cresol) is used as a disinfectant...Ch. 3 - Dimethylhydrazine is a carbon-hydrogen-nitrogen...Ch. 3 - Prob. 46ECh. 3 - Without doing detailed calculations, explain which...Ch. 3 - Prob. 48ECh. 3 - A 1.562 g sample of the alcohol CH2CHOHCH2CH2 is...Ch. 3 - Prob. 50ECh. 3 - Indicate the oxidation state of the underlined...Ch. 3 - Indicate the oxidation state of S in (a) SO42 (b)...Ch. 3 - Prob. 53ECh. 3 - Prob. 54ECh. 3 - Prob. 55ECh. 3 - Hydrogen and oxygen usually have oxidation states...Ch. 3 - Prob. 57ECh. 3 - Name these compounds: (a)Ba(...Ch. 3 - Prob. 59ECh. 3 - Prob. 60ECh. 3 - Prob. 61ECh. 3 - Prob. 62ECh. 3 - Write a formula for (a) the chloride of titanium...Ch. 3 - Write formula for (a) an oxide of nitrogen with N...Ch. 3 - Prob. 65ECh. 3 - Supply the formula for the acids: (a) hydrofluoric...Ch. 3 - Name the following compounds and specify which...Ch. 3 - Prob. 68ECh. 3 - Prob. 69ECh. 3 - Prob. 70ECh. 3 - Anhydrous CuSO4 can be used to dry liquids in...Ch. 3 - Anhydrous sodium sulfate, Na2SO4 absorbs water...Ch. 3 - A certain hydrate is found to have the composition...Ch. 3 - An 8.129 g sample of MgSO4H2O is heated until all...Ch. 3 - Prob. 75ECh. 3 - Prob. 76ECh. 3 - Prob. 77ECh. 3 - Prob. 78ECh. 3 - Prob. 79ECh. 3 - Prob. 80ECh. 3 - Prob. 81ECh. 3 - Prob. 82ECh. 3 - The mineral spodumene has the empirical formula...Ch. 3 - Prob. 84IAECh. 3 - Prob. 85IAECh. 3 - The important natural sources of boron compounds...Ch. 3 - Prob. 87IAECh. 3 - By analysis, a compound was found to contain 26.58...Ch. 3 - Prob. 89IAECh. 3 - What is the molecular formula of a hydrocarbon...Ch. 3 - A hydrocarbon mixture consists of 601% by mass of...Ch. 3 - A 0.732 g mature of methane, CH4 and ethane, C2H5...Ch. 3 - The density of a mixture of H2SO4 and water is...Ch. 3 - Prob. 94IAECh. 3 - Prob. 95IAECh. 3 - Prob. 96IAECh. 3 - Prob. 97IAECh. 3 - Prob. 98IAECh. 3 - The metal M forms the sulfate M2( SO4)2. A 0.738 g...Ch. 3 - Prob. 100IAECh. 3 - Prob. 101IAECh. 3 - Prob. 102IAECh. 3 - A 1.013 g sample of ZnSO4H2O is dissolved in water...Ch. 3 - The iodide ion in a 1.552 g sample of the compound...Ch. 3 - Prob. 105IAECh. 3 - The insecticide dieldrin contains carbon, oxygen,...Ch. 3 - Prob. 107IAECh. 3 - The atomic mass of Bi is to be determined by...Ch. 3 - A piece of gold (Au) foil measuring 0.25mm15mm is...Ch. 3 - Prob. 110IAECh. 3 - Prob. 111IAECh. 3 - All-purpose fertilizers contain the essential...Ch. 3 - A hydrate of copper(II) sulfate, when heated, goes...Ch. 3 - Prob. 114FPCh. 3 - Prob. 115SAECh. 3 - Prob. 116SAECh. 3 - Prob. 117SAECh. 3 - Prob. 118SAECh. 3 - Prob. 119SAECh. 3 - Three of the following formulas might be ether an...Ch. 3 - Prob. 121SAECh. 3 - Prob. 122SAECh. 3 - Iron is present red blood and acts to carry oxygen...Ch. 3 - Prob. 124SAECh. 3 - Prob. 125SAECh. 3 - Prob. 126SAECh. 3 - Prob. 127SAECh. 3 - Prob. 128SAECh. 3 - Prob. 129SAECh. 3 - Which compound has a molar mass of...Ch. 3 - Prob. 131SAECh. 3 - Prob. 132SAECh. 3 - A hydrate of Na2SO2 contains almost exactly 50%...Ch. 3 - Malachite is a common copper-containing mineral...Ch. 3 - Prob. 135SAECh. 3 - Ibuprofen is a compound used in painkiller. When a...Ch. 3 - Prob. 137SAE
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
- Chlorine exists mainly as two isotopes, 37Cl and 33Cl. Which is more abundant? How do you know?arrow_forwardExpress the composition of each of the following compounds as the mass percents of its elements. a. formaldehyde, CH2O b. glucose, C6H12O6 c. acetic acid, HC2H3O2arrow_forward5. For the element aluminum, Al: (a) Calculate the number of moles in 7.54 g. (b) Calculate the number of grams in 0.154 mol. (c) How many moles are there in 5.22 x 1022 atoms of the element?arrow_forward
- (a) What is a hydrocarbon? (b) Butane is the alkane with a chain of four carbon atoms. Write a structural formula for this compound and determine its molecular and empirical formulas.arrow_forwardA 3.06 mg sample of a compound containing carbon, hydrogen, and oxygen underwent combustion producing 6.95 mg of CO2 and 2.84 mg of H2O. What is the empirical formula of the compound? (b) A compound is composed of elements C, H, and N. A 12.075-mg sample of the unknown compound was combusted, producing 32.757 mg of CO2 and 9.391 mg of H2O. What is the empirical formula for this compound? If the compound has a molar mass of 160 ± 5 g/mol, what is its molecular formula?arrow_forwardThe chlorophyll-a molecule (C55H72MgN4O5) is important in photosynthesis. (a) Determine its molecular mass (in atomic mass units). (b) What is the mass (in grams) of 4.20 moles of chlorophyll-a molecules?arrow_forward
- A 0.500 g sample of tin foil reacted with oxygen to give 0.635 g of product. (a) What is the empirical formula of the tin oxide? (b) What is the percent by mass of tin and the percent by mass of oxygen in the sample?arrow_forwardA 1.30 g sample of titanium chemically combines with chlorine gas to form 5.16 g of titanium chloride. (a) What is the empirical formula of titanium chloride? (b) What is the percent by mass of titanium and the percent by mass of chloride in the sample?arrow_forwardA sample of glucose, C6H12O6, contains 1.250 x1021 carbonatoms. (a) How many atoms of hydrogen does it contain?(b) How many molecules of glucose does it contain? (c) Howmany moles of glucose does it contain? (d) What is the massof this sample in grams?arrow_forward
- Allyl sulfide gives garlic its characteristic odor.Calculate (a) the mass in grams of 2.63 mol of allyl sulfide;(b) the number of carbon atoms in 35.7 g of allyl sulfide.arrow_forwardA student weighs a sample of carbon on a balance that is accurate to 0.001 g. (a) How many atoms are in 0.001 g of C?(b) The carbon is used in the following reaction: Pb₃O₄(s) +C(s)→3PbO(s) +CO(g) What mass difference in the lead(II) oxide would be caused by an error in the carbon mass of 0.001 g?arrow_forward7. A compound contains 32.45 % C, 2.72 % H, and 64.83 % O. (a) What is its empirical formula? (Report in the format C₂H,Xz). (b) If its molar mass is 148.1 g/mol, what is its molecular formula?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Chemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage LearningChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
- Chemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningChemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage LearningChemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning
Chemistry: An Atoms First Approach
Chemistry
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Cengage Learning
Chemistry
Chemistry
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
Chemistry: Principles and Practice
Chemistry
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Cengage Learning
Chemistry for Engineering Students
Chemistry
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Cengage Learning
Mass Spectrometry; Author: Professor Dave Explains;https://www.youtube.com/watch?v=hSirWciIvSg;License: Standard YouTube License, CC-BY