Chapter 1: Q48P (page 11)

The common Eastern mole, a mammal, typically has a mass of $^{75 g}$ , which corresponds to about $^{7.5 moles}$ of atoms. (A mole of atoms is $^{6.02 \times 10^{23} atoms}$ .) In atomic mass units (u), what is the average mass of the atoms in the common Eastern mole?

Short Answer

Expert verified

The average mass of the atoms in the common Eastern mole is $^{10 u}$ .

Step by step solution

Given data

A mole of atoms corresponds to $^{6.02 \times 10^{23} atoms}$ .

$^{75 g}$ of common Eastern mole corresponds to $^{7.5 moles of atoms}$ .

Understanding the conversion factor

Use the given conversion factor to calculate the number of moles in a common easter mole. Using this number and the number of atoms in mole, calculate the average mass of one atom in the common eastern mole.

Determination of the mass of one mole of atom in a common eastern mole

The mass of one mole of atoms in the common Eastern mole $^{m_{c}}$ is,

$m_{c} = \frac{75}{7.5} = 10 g$

Thus, the mass of one mole of atom in the common eastern mole is $^{10 g}$ .

Determination of the mass of one atom in a common eastern mole

The average mass of one atom in the common Eastern mole is $^{m_{c}}$ divided by Avogadro’s Number $N_{A}$ .

$\frac{m_{c}}{N_{A}} = \frac{10 g}{6.023 \times 10^{23}} = 1.66 \times 10^{- 23} = 10 u$

Thus, the average mass of one atom in the common eastern mode is $^{10 u}$ .

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The common Eastern mole, a mammal, typically has a mass of $^{75 g}$ , which corresponds to about $^{7.5 moles}$ of atoms. (A mole of atoms is $^{6.02 \times 10^{23} atoms}$ .) In atomic mass units (u), what is the average mass of the atoms in the common Eastern mole?

Short Answer

Step by step solution

Given data

Understanding the conversion factor

Determination of the mass of one mole of atom in a common eastern mole

Determination of the mass of one atom in a common eastern mole

One App. One Place for Learning.

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The common Eastern mole, a mammal, typically has a mass of 75g, which corresponds to about 7.5molesof atoms. (A mole of atoms is6.02×1023atoms.) In atomic mass units (u), what is the average mass of the atoms in the common Eastern mole?

Short Answer

Step by step solution

Given data

Understanding the conversion factor

Determination of the mass of one mole of atom in a common eastern mole

Determination of the mass of one atom in a common eastern mole

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Physics Textbooks

Space Physics

Electricity and Magnetism

Classical Mechanics

Physical Quantities And Units

Nuclear Physics

Further Mechanics and Thermal Physics

Study anywhere. Anytime. Across all devices.

The common Eastern mole, a mammal, typically has a mass of $^{75 g}$ , which corresponds to about $^{7.5 moles}$ of atoms. (A mole of atoms is $^{6.02 \times 10^{23} atoms}$ .) In atomic mass units (u), what is the average mass of the atoms in the common Eastern mole?