Sucrose, table sugar, is C12 H22 O11 . When sucrose is heated, water is driven off. How many gra

Name: Problem 92, Chapter 3: Chemistry: The Molecular Science
Uploaded: 2021-08-11T13:15:30-08:00
Duration: 1 min 32 s
Channel: Lottie Adams
Description: Sucrose, table sugar, is C12 H22 O11 . When sucrose is heated, water is driven off. How many grams of pure carbon can be obtained from exactly one pound of sugar?

step 1 So firstly we're looking to determine the mole that mass of sucrose, which is equal to 3 .4 .2 .

Question

Sucrose, table sugar, is $\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11} .$ When sucrose is heated, water is driven off. How many grams of pure carbon can be obtained from exactly one pound of sugar?

   Sucrose, table sugar, is $\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11} .$ When sucrose is heated, water is driven off. How many grams of pure carbon can be obtained from exactly one pound of sugar?

Chemistry: The Molecular Science

John W. Moore,… 4th Edition

Chapter 3, Problem 92

Instant Answer

Solved by Expert Lottie Adams

08/11/2021

Step 1

The molar mass of carbon (C) is 12.01 g/mol, hydrogen (H) is 1.01 g/mol, and oxygen (O) is 16.00 g/mol. Therefore, the molar mass of sucrose is $12(12.01 \, \text{g/mol}) + 22(1.01 \, \text{g/mol}) + 11(16.00 \, \text{g/mol}) = 342.29 \, \text{g/mol}$. Show more…

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Sucrose, table sugar, is $\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11} .$ When sucrose is heated, water is driven off. How many grams of pure carbon can be obtained from exactly one pound of sugar?

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Key Concepts

Percent Composition

Percent composition refers to the fraction or percentage of the total mass that a particular element contributes in a compound. It is used to determine how much of an element, such as carbon, is present in a given mass of a substance.

Unit Conversion

Unit conversion is the process of converting measurements from one unit to another, for example, converting pounds to grams. This ensures that all quantities are in compatible units when performing stoichiometric calculations.

Molecular Weight Calculation

This concept involves calculating the mass of one mole of a compound by summing the atomic masses of each element in the molecule as indicated by its chemical formula. It is fundamental for relating the amounts of different substances in chemical reactions.

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