QuestionCalculate the number of atoms in a $0.04545 \mathrm{~mol}$ sample of Cu.

Studdy Solution

STEP 1

Assumptions1. The given amount of Cu is $0.04545 \mathrm{~mol}$ . . We use Avogadro's number, which is $6.022 \times10^{23}$ atoms/mol, to convert moles to atoms.

STEP 2

We will use the formula for converting moles to atoms, which is $Atoms = Moles \times Avogadro's\, number$

STEP 3

Now, plug in the given values for the moles and Avogadro's number to calculate the number of atoms.
$Atoms =0.04545 \mathrm{~mol} \times6.022 \times10^{23} \mathrm{~atoms/mol}$

STEP 4

Calculate the number of atoms in the sample.
$Atoms =0.04545 \times6.022 \times10^{23} =2.735 \times10^{22} \mathrm{~atoms}$ So, there are $2.735 \times10^{22}$ atoms in a $0.04545 \mathrm{~mol}$ sample of Cu.

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