Chemistry: An Atoms-Focused Approach (Second Edition)
Chemistry: An Atoms-Focused Approach (Second Edition)
2nd Edition
ISBN: 9780393614053
Author: Thomas R. Gilbert, Rein V. Kirss, Stacey Lowery Bretz, Natalie Foster
Publisher: W. W. Norton & Company
Question
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Chapter 2, Problem 2.84QA
Interpretation Introduction

To calculate:

Molar mass of each of the given common sweeteners.

Expert Solution & Answer
Check Mark

Answer to Problem 2.84QA

Solution:

a. Molar mass of C12H22O11  = 342.2948 g/mole - sucrose

b. Molar mass of C7H5O3NS  =183.1855 g/mole - saccharin

c. Molar mass of C14H18N2O5  = 294.3052 g/mole - aspartame

d. Molar mass of C6H12O6  = 180.1548 g/mole - fructose

Explanation of Solution

a. The molar mass of C12H22O11 is the sum of the masses of 12 moles of carbon atoms, 22 moles of hydrogen atoms and 11 moles of oxygen atoms.

12 mol Cmol C12H22O11 x 12.011g1 mol C+22 mol Hmol C12H22O11 x 1.0079 g1 mol H+ 11 mol Omol C12H22O11 x 15.999g1 mol O

= 342.2948gmol C12H22O11

b. The molar mass of C7H5O3NS is the sum of the masses of 7 moles of carbon atoms, 5 moles of hydrogen atoms, 3 moles of oxygen atoms, 1 mole of nitrogen atoms and 1 mole of sulphur atoms.

7 mol Cmol C7H5O3NS x 12.011g1 mol C+5 mol Hmol C7H5O3NS x 1.0079 g1 mol H+ 3 mol Omol C7H5O3NS x 15.999g1 mol O

+ 1 mol Nmol C7H5O3NS x 14.007g1 mol N+1 mol Smol C7H5O3NS x 32.065 g1 mol S

= 183.1855gmol C7H5O3NS

c. The molar mass of C14H18N2O5 is the sum of the masses of 14 moles of carbon atoms, 18 moles of hydrogen atoms, 2 moles of nitrogen atoms and 5 moles of oxygen atoms.

14 mol Cmol C14H18N2O5 x 12.011g1 mol C+18 mol Hmol C14H18N2O5 x 1.0079 g1 mol H+

+ 2 mol Nmol C14H18N2O5 x 14.007g1 mol N+5 mol Omol C14H18N2O5 x 15.999g1 mol O

= 294.3052gmol C14H18N2O5

d. The molar mass of C6H12O6 is the sum of the masses of 6 moles of carbon atoms, 12 moles of hydrogen atoms and 6 moles of oxygen atoms.

6 mol Cmol C6H12O6 x 12.011g1 mol C+12 mol Hmol C6H12O6 x 1.0079 g1 mol H+ 6 mol Omol C6H12O6 x 15.999g1 mol O

= 180.1548gmol C6H12O6

Conclusion:

The molar mass of each of the given common sweeteners is calculated.

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Chapter 2 Solutions

Chemistry: An Atoms-Focused Approach (Second Edition)

Ch. 2 - Prob. 2.11VPCh. 2 - Prob. 2.12VPCh. 2 - Prob. 2.13QACh. 2 - Prob. 2.14QACh. 2 - Prob. 2.15QACh. 2 - Prob. 2.16QACh. 2 - Prob. 2.17QACh. 2 - Prob. 2.18QACh. 2 - Prob. 2.19QACh. 2 - Prob. 2.20QACh. 2 - Prob. 2.21QACh. 2 - Prob. 2.22QACh. 2 - Prob. 2.23QACh. 2 - Prob. 2.24QACh. 2 - Prob. 2.25QACh. 2 - Prob. 2.26QACh. 2 - Prob. 2.27QACh. 2 - Prob. 2.28QACh. 2 - Prob. 2.29QACh. 2 - Prob. 2.30QACh. 2 - Prob. 2.31QACh. 2 - Prob. 2.32QACh. 2 - Prob. 2.33QACh. 2 - Prob. 2.34QACh. 2 - Prob. 2.35QACh. 2 - Prob. 2.36QACh. 2 - Prob. 2.37QACh. 2 - Prob. 2.38QACh. 2 - Prob. 2.39QACh. 2 - Prob. 2.40QACh. 2 - Prob. 2.41QACh. 2 - Prob. 2.42QACh. 2 - Prob. 2.43QACh. 2 - Prob. 2.44QACh. 2 - Prob. 2.45QACh. 2 - Prob. 2.46QACh. 2 - Prob. 2.47QACh. 2 - Prob. 2.48QACh. 2 - Prob. 2.49QACh. 2 - Prob. 2.50QACh. 2 - Prob. 2.51QACh. 2 - Prob. 2.52QACh. 2 - Prob. 2.53QACh. 2 - Prob. 2.54QACh. 2 - Prob. 2.55QACh. 2 - Prob. 2.56QACh. 2 - Prob. 2.57QACh. 2 - Prob. 2.58QACh. 2 - Prob. 2.59QACh. 2 - Prob. 2.60QACh. 2 - Prob. 2.61QACh. 2 - Prob. 2.62QACh. 2 - Prob. 2.63QACh. 2 - Prob. 2.64QACh. 2 - Prob. 2.65QACh. 2 - Prob. 2.66QACh. 2 - Prob. 2.67QACh. 2 - Prob. 2.68QACh. 2 - Prob. 2.69QACh. 2 - Prob. 2.70QACh. 2 - Prob. 2.71QACh. 2 - Prob. 2.72QACh. 2 - Prob. 2.73QACh. 2 - Prob. 2.74QACh. 2 - Prob. 2.75QACh. 2 - Prob. 2.76QACh. 2 - Prob. 2.77QACh. 2 - Prob. 2.78QACh. 2 - Prob. 2.79QACh. 2 - Prob. 2.80QACh. 2 - Prob. 2.81QACh. 2 - Prob. 2.82QACh. 2 - Prob. 2.83QACh. 2 - Prob. 2.84QACh. 2 - Prob. 2.85QACh. 2 - Prob. 2.86QACh. 2 - Prob. 2.87QACh. 2 - Prob. 2.88QACh. 2 - Prob. 2.89QACh. 2 - Prob. 2.90QACh. 2 - Prob. 2.91QACh. 2 - Prob. 2.92QACh. 2 - Prob. 2.93QACh. 2 - Prob. 2.94QACh. 2 - Prob. 2.95QACh. 2 - Prob. 2.96QACh. 2 - Prob. 2.97QACh. 2 - Prob. 2.98QACh. 2 - Prob. 2.99QACh. 2 - Prob. 2.100QACh. 2 - Prob. 2.101QACh. 2 - Prob. 2.102QACh. 2 - Prob. 2.103QACh. 2 - Prob. 2.104QACh. 2 - Prob. 2.105QACh. 2 - Prob. 2.106QACh. 2 - Prob. 2.107QACh. 2 - Prob. 2.108QACh. 2 - Prob. 2.109QACh. 2 - Prob. 2.110QACh. 2 - Prob. 2.111QACh. 2 - Prob. 2.112QACh. 2 - Prob. 2.113QACh. 2 - Prob. 2.114QACh. 2 - Prob. 2.115QACh. 2 - Prob. 2.116QA
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