Question

Calculate the molar masses of the following common sweeteners. a. sucrose, $\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}$ b. saccharin, $\mathrm{C}_{7} \mathrm{H}_{5} \mathrm{O}_{3} \mathrm{NS}$ c. aspartame, $\mathrm{C}_{14} \mathrm{H}_{18} \mathrm{N}_{2} \mathrm{O}_{5}$ d. fructose, $\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}$

Name: Problem 84, Chapter 2: Chemistry: An Atoms-Focused Approach
Uploaded: 2020-07-29T03:39:15-08:00
Duration: 3 min 53 s
Channel: Ronald Prasad
Description: Calculate the molar masses of the following common sweeteners. a. sucrose, C12 H22 O11 b. saccharin, C7 H5 O3 NS c. aspartame, C14 H18 N2 O5 d. fructose, C6 H12 O6

   Calculate the molar masses of the following
common sweeteners.
a. sucrose, $\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}$
b. saccharin, $\mathrm{C}_{7} \mathrm{H}_{5} \mathrm{O}_{3} \mathrm{NS}$
c. aspartame, $\mathrm{C}_{14} \mathrm{H}_{18} \mathrm{N}_{2} \mathrm{O}_{5}$
d. fructose, $\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}$

Chemistry: An Atoms-Focused Approach

Thomas R. Gilbert,… 2nd Edition

Chapter 2, Problem 84

Instant Answer

Solved by Expert Ronald Prasad

07/29/2020

Step 1

The molar mass of an atom is its atomic weight expressed in grams. The atomic weights of carbon (C), hydrogen (H), oxygen (O), nitrogen (N), and sulfur (S) are approximately 12.0 g/mol, 1.0 g/mol, 16.0 g/mol, 14.0 g/mol, and 32.1 g/mol, respectively. Show more…

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Calculate the molar masses of the following common sweeteners. a. sucrose, $\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}$ b. saccharin, $\mathrm{C}_{7} \mathrm{H}_{5} \mathrm{O}_{3} \mathrm{NS}$ c. aspartame, $\mathrm{C}_{14} \mathrm{H}_{18} \mathrm{N}_{2} \mathrm{O}_{5}$ d. fructose, $\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}$

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Key Concepts

Molar Mass Calculation

Molar mass calculation involves multiplying the atomic mass of each element by the number of times that element appears in the molecular formula and then summing these values for all the elements in the compound. The result, typically given in g/mol, is essential for stoichiometric calculations in chemistry.

Atomic Mass

Atomic mass is the mass of an individual atom, usually expressed in atomic mass units (amu) or grams per mole (g/mol). These values, which are found on the periodic table, are critical for calculating the total mass of each element within a compound.

Molecular Formula

A molecular formula represents the types and numbers of atoms present in a molecule. It provides a concise way to denote the composition of a substance and is essential in determining not only the amount of each element in the molecule but also its molar mass.

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