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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

Expert verified

The average mass of the atoms in the common Eastern mole is10u.

Step by step solution

01

Given data

A mole of atoms corresponds to 6.02×1023atoms.

75gof common Eastern mole corresponds to 7.5molesofatoms.

02

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.

03

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 mcis,

mc=757.5=10g

Thus, the mass of one mole of atom in the common eastern mole is 10g.

04

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

The average mass of one atom in the common Eastern mole is mcdivided by Avogadro’s Number NA.

mcNA=10g6.023×1023=1.66×10-23=10u

Thus, the average mass of one atom in the common eastern mode is10u .

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