Chemistry: Atoms First
Chemistry: Atoms First
3rd Edition
ISBN: 9781259638138
Author: Julia Burdge, Jason Overby Professor
Publisher: McGraw-Hill Education
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Chapter 5, Problem 5.77QP
Interpretation Introduction

Interpretation:

The percent composition by mass of Ca5(PO4)3(OH) has to be calculated.

Concept introduction:

Percent composition by mass of each element present in a compound is known as the compound’s percent composition by mass.

Percentbymassofanelement=n×atomicmassofelementmolecularorformulamassofcompound×100%Wherenisthenumberofatomsoftheelementinamoleculeorformulaunitofthecompound

 To determine: The percent composition by mass of Ca5(PO4)3(OH)

Expert Solution & Answer
Check Mark

Answer to Problem 5.77QP

The percent composition by mass is %Ca=39.8936%;%P=18.4988%;%O=41.4070%;%O=0.2007%

Explanation of Solution

Percent composition by mass:

Percent composition by mass of each element present in a compound is known as the compound’s percent composition by mass. The formula is expressed mathematically as follows:

Percentbymassofanelement=n×atomicmassofelementmolecularorformulamassofcompound×100%Wherenisthenumberofatomsoftheelementinamoleculeorformulaunitofthecompound By using the above formula percent composition by mass is calculated as follows:

Formulamassof%Ca5(PO4)3(OH)=5(massofCainamu)+3((massofPinamu)+4(massofOinamu))+(massofOinamu+massofHinamu)=5(40.078amu)+3((30.9738amu)+4(15.9994amu))+(15.9994amu+1.0079amu)=200.39amu+3(30.9738+63.9976)amu+17.0073amu=(200.39+3(94.9714)+17.0073)amu =(200.39+284.9142+17.0073)amu =502.3115amu

Percentbymassof%Ca=5×atomicmassCainamuformulamassofCa5(PO4)3(OH)inamu ×100%=5×40.078amu502.3115amu×100%=200.39amu502.3115amu×100%=39.8936%

Percentbymassof%P=3×atomicmassPinamumolecularmassofCa5(PO4)3(OH)inamu ×100%=3×30.9738amu502.3115amu×100%=92.9214amu502.3115amu×100%=18.4988%

Percentbymassof%O=13×atomicmassOinamumolecularmassofCa5(PO4)3(OH)inamu×100%=13×15.9994amu502.3115amu×100%=207.9922amu502.3115amu×100%=41.4070%

Percentbymassof%H=1×atomicmassHinamumolecularmassofCa5(PO4)3(OH)inamu×100%=1.0079amu502.3115amu×100%=0.2007%

The percent composition by mass of %Ca=39.8936%;%P=18.4988%;%O=41.4070%;%O=0.2007%

Conclusion

The percent composition by mass of Ca5(PO4)3(OH) was calculated.

percentmassof%Ca=39.8936%

percentmassof%P=18.4988%

percentmassof%O=41.4070%

percentmassof%H=0.2007%

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Chapter 5 Solutions

Chemistry: Atoms First

Ch. 5.3 - Arrange the compounds NaF, MgO, and AlN in order...Ch. 5.3 - Prob. 2PPCCh. 5.3 - Will the lattice energy of KF be larger or smaller...Ch. 5.3 - Lattice energies are graphed for three series of...Ch. 5.4 - Prob. 5.3WECh. 5.4 - Prob. 3PPACh. 5.4 - Prob. 3PPBCh. 5.4 - Prob. 3PPCCh. 5.4 - Prob. 5.4WECh. 5.4 - Prob. 4PPACh. 5.4 - Prob. 4PPBCh. 5.4 - Prob. 4PPCCh. 5.4 - Prob. 5.4.1SRCh. 5.4 - Prob. 5.4.2SRCh. 5.4 - Prob. 5.4.3SRCh. 5.4 - Prob. 5.4.4SRCh. 5.5 - Prob. 5.5WECh. 5.5 - Prob. 5PPACh. 5.5 - Draw (a) a space-filling molecular model of carbon...Ch. 5.5 - Prob. 5PPCCh. 5.5 - Prob. 5.6WECh. 5.5 - Prob. 6PPACh. 5.5 - Prob. 6PPBCh. 5.5 - Prob. 6PPCCh. 5.5 - Prob. 5.5.1SRCh. 5.5 - Prob. 5.5.2SRCh. 5.6 - Name the following binary molecular compounds: (a)...Ch. 5.6 - Prob. 7PPACh. 5.6 - Prob. 7PPBCh. 5.6 - Prob. 7PPCCh. 5.6 - Prob. 5.8WECh. 5.6 - Give the molecular formula for each of the...Ch. 5.6 - Prob. 8PPBCh. 5.6 - Draw a molecular model of sulfur trioxide.Ch. 5.6 - Prob. 5.6.1SRCh. 5.6 - Prob. 5.6.2SRCh. 5.6 - Prob. 5.6.3SRCh. 5.6 - What is the name of the compound shown? (a)...Ch. 5.7 - Prob. 5.9WECh. 5.7 - Name the following ionic compounds: (a) Na2SO4,...Ch. 5.7 - Prob. 9PPBCh. 5.7 - Prob. 9PPCCh. 5.7 - Name the following species: (a) BrO4, (b) HCO3,...Ch. 5.7 - Prob. 10PPACh. 5.7 - Prob. 10PPBCh. 5.7 - Prob. 10PPCCh. 5.7 - Prob. 5.11WECh. 5.7 - Prob. 11PPACh. 5.7 - Prob. 11PPBCh. 5.7 - Prob. 11PPCCh. 5.7 - Prob. 5.7.1SRCh. 5.7 - Prob. 5.7.2SRCh. 5.7 - What is the correct name of the compound Hg2CrO4?...Ch. 5.7 - What is the formula of the compound iron(III)...Ch. 5.8 - Calculate the molecular mass or the formula mass,...Ch. 5.8 - Calculate the molecular or formula mass of each of...Ch. 5.8 - Prob. 12PPBCh. 5.8 - Prob. 12PPCCh. 5.8 - Prob. 5.8.1SRCh. 5.8 - Determine the formula mass of calcium citrate...Ch. 5.8 - Prob. 5.8.3SRCh. 5.8 - Prob. 5.8.4SRCh. 5.8 - Prob. 5.8.5SRCh. 5.9 - Prob. 5.13WECh. 5.9 - Prob. 13PPACh. 5.9 - Prob. 13PPBCh. 5.9 - Prob. 13PPCCh. 5.9 - Prob. 5.9.1SRCh. 5.9 - Prob. 5.9.2SRCh. 5.10 - Prob. 5.14WECh. 5.10 - Prob. 14PPACh. 5.10 - Prob. 14PPBCh. 5.10 - Prob. 5.15WECh. 5.10 - Prob. 15PPACh. 5.10 - Prob. 15PPBCh. 5.10 - Prob. 15PPCCh. 5.10 - Prob. 5.16WECh. 5.10 - Prob. 16PPACh. 5.10 - Prob. 16PPBCh. 5.10 - Prob. 16PPCCh. 5.10 - Prob. 5.10.1SRCh. 5.10 - How many moles of hydrogen are there m 6.50 g of...Ch. 5.10 - Prob. 5.10.3SRCh. 5.10 - Prob. 5.10.4SRCh. 5 - Define the term compound and explain how a...Ch. 5 - Prob. 5.2QPCh. 5 - Prob. 5.3QPCh. 5 - Prob. 5.4QPCh. 5 - Use the second member of each group from Group 1A...Ch. 5 - Without referring to Figure 5.1, write Lewis dot...Ch. 5 - Prob. 5.7QPCh. 5 - Indicate the charge on each of the ions...Ch. 5 - To what group of the periodic table does element X...Ch. 5 - Explain what ionic bonding is.Ch. 5 - Prob. 5.11QPCh. 5 - Prob. 5.12QPCh. 5 - Prob. 5.13QPCh. 5 - Prob. 5.14QPCh. 5 - Prob. 5.15QPCh. 5 - Prob. 5.16QPCh. 5 - Prob. 5.17QPCh. 5 - Prob. 5.18QPCh. 5 - Prob. 5.19QPCh. 5 - Explain why the chemical formulas of ionic...Ch. 5 - Prob. 5.21QPCh. 5 - Give the formulas and names of the compounds...Ch. 5 - Give the formulas and names of the compounds...Ch. 5 - Prob. 5.24QPCh. 5 - Prob. 5.25QPCh. 5 - Name the following compounds: (a) CdCl2, (b) FeI3,...Ch. 5 - Prob. 5.27QPCh. 5 - Prob. 5.28QPCh. 5 - Prob. 5.29QPCh. 5 - Prob. 5.30QPCh. 5 - Prob. 5.31QPCh. 5 - Prob. 5.32QPCh. 5 - Prob. 5.33QPCh. 5 - Sulfur reacts with fluorine to produce three...Ch. 5 - Prob. 5.35QPCh. 5 - Prob. 5.36QPCh. 5 - Prob. 5.37QPCh. 5 - Prob. 5.38QPCh. 5 - Give an example of a case in which two molecules...Ch. 5 - Prob. 5.40QPCh. 5 - Prob. 5.41QPCh. 5 - Prob. 5.42QPCh. 5 - Identify the following as elements or compounds:...Ch. 5 - Prob. 5.44QPCh. 5 - Prob. 5.45QPCh. 5 - Prob. 5.46QPCh. 5 - Write the empirical formulas of the following...Ch. 5 - Prob. 5.48QPCh. 5 - Prob. 5.49QPCh. 5 - Describe how the naming of molecular binary...Ch. 5 - Define the term acid.Ch. 5 - Prob. 5.52QPCh. 5 - Prob. 5.53QPCh. 5 - Prob. 5.54QPCh. 5 - Prob. 5.55QPCh. 5 - Prob. 5.56QPCh. 5 - Prob. 5.57QPCh. 5 - Prob. 5.58QPCh. 5 - Prob. 5.59QPCh. 5 - Prob. 5.60QPCh. 5 - Prob. 5.61QPCh. 5 - Prob. 5.62QPCh. 5 - Prob. 5.63QPCh. 5 - Prob. 5.64QPCh. 5 - Prob. 5.65QPCh. 5 - Prob. 5.66QPCh. 5 - Prob. 5.67QPCh. 5 - Prob. 5.68QPCh. 5 - Prob. 5.69QPCh. 5 - Prob. 5.70QPCh. 5 - Prob. 5.71QPCh. 5 - Prob. 5.72QPCh. 5 - Prob. 5.73QPCh. 5 - Prob. 5.74QPCh. 5 - Prob. 5.75QPCh. 5 - Prob. 5.76QPCh. 5 - Prob. 5.77QPCh. 5 - Prob. 5.78QPCh. 5 - All the substances listed here are fertilizers...Ch. 5 - Prob. 5.80QPCh. 5 - Molar mass is numerically equivalent to molecular...Ch. 5 - Prob. 5.82QPCh. 5 - Prob. 5.83QPCh. 5 - Prob. 5.84QPCh. 5 - Prob. 5.85QPCh. 5 - Prob. 5.86QPCh. 5 - Prob. 5.87QPCh. 5 - The density of water is 1.00 g/mL at 4C. 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