Answer :
Certainly! To determine the number of atoms in 0.750 moles of copper (Cu), we can use Avogadro's number. Avogadro's number is a constant that defines the number of atoms, ions, or molecules in one mole of a substance. It is approximately [tex]\( 6.022 \times 10^{23} \)[/tex] particles per mole.
Here are the steps to find the number of atoms:
1. Identify known values:
- Moles of copper ([tex]\( \text{moles\_Cu} \)[/tex]) = 0.750 moles
- Avogadro's number ([tex]\( N_A \)[/tex]) = [tex]\( 6.022 \times 10^{23} \)[/tex] atoms/mole
2. Apply the relationship:
[tex]\[ \text{Number of atoms} = \text{moles of substance} \times \text{Avogadro's number} \][/tex]
3. Substitute the known values:
[tex]\[ \text{Number of atoms} = 0.750 \, \text{moles} \times 6.022 \times 10^{23} \, \text{atoms/mole} \][/tex]
4. Perform the multiplication:
[tex]\[ \text{Number of atoms} = 0.750 \times 6.022 \times 10^{23} \][/tex]
5. Calculate:
[tex]\[ \text{Number of atoms} = 4.5165 \times 10^{23} \, \text{atoms} \][/tex]
Thus, 0.750 mole of copper (Cu) is equal to [tex]\( 4.5165 \times 10^{23} \)[/tex] atoms.
Here are the steps to find the number of atoms:
1. Identify known values:
- Moles of copper ([tex]\( \text{moles\_Cu} \)[/tex]) = 0.750 moles
- Avogadro's number ([tex]\( N_A \)[/tex]) = [tex]\( 6.022 \times 10^{23} \)[/tex] atoms/mole
2. Apply the relationship:
[tex]\[ \text{Number of atoms} = \text{moles of substance} \times \text{Avogadro's number} \][/tex]
3. Substitute the known values:
[tex]\[ \text{Number of atoms} = 0.750 \, \text{moles} \times 6.022 \times 10^{23} \, \text{atoms/mole} \][/tex]
4. Perform the multiplication:
[tex]\[ \text{Number of atoms} = 0.750 \times 6.022 \times 10^{23} \][/tex]
5. Calculate:
[tex]\[ \text{Number of atoms} = 4.5165 \times 10^{23} \, \text{atoms} \][/tex]
Thus, 0.750 mole of copper (Cu) is equal to [tex]\( 4.5165 \times 10^{23} \)[/tex] atoms.
