BuyFind

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425
BuyFind

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425

Solutions

Chapter 8, Problem 1ALQ
Interpretation Introduction

Interpretation: Mole should be defined and discussed. Importance of the mole concept should be discussed.

Concept Introduction:Mole can be defined as the numberof chemical units equal to the number of carbon atoms in 12.0 gram of carbon-12 atom.

Expert Solution

Answer to Problem 1ALQ

Mole can be defined as the numberof chemical units equal to the number of carbon atoms in 12.01 grams of carbon.

The mole concept allows scientists to work with amounts large enough to handle with.

Explanation of Solution

Mole can be defined as the number of chemical units equal to the number of carbon atoms in 12.01 grams of carbon-12. One mole of something consists of 6.022×1023 (this number is called Avogadro’s number) units of that substance.

Scientists are dealing with atoms, molecules and subatomic particles. The mole concept allows scientists to work with large units and amounts. Atoms are small and it is difficult to work with them, mole is defined to change the grams into moles which is then converted into particles.

Conclusion

Mole can be defined as the numberof chemical units equal to the number of carbon atoms in 12.0 gram of carbon-12 atom.

The mole concept allows scientists to work with amounts large enough to handle with.

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