Scelta multipla
How many particles are present in one mole of a substance?
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2. Atoms & Elements
Mole Concept
Scelta multipla
How many moles of Cu are present in 1.48 × 10^{25} Cu atoms?
A
2.46 moles
B
246 moles
C
0.246 moles
D
24.6 moles
Guida verificata passo dopo passo1
Identify the given quantity: the number of copper (Cu) atoms is \(1.48 \times 10^{25}\) atoms.
Recall Avogadro's number, which is the number of atoms in one mole of any substance: \(6.022 \times 10^{23}\) atoms/mole.
Set up the conversion from atoms to moles using the relationship: \(\text{moles of Cu} = \frac{\text{number of Cu atoms}}{\text{Avogadro's number}}\).
Substitute the given values into the formula: \(\text{moles of Cu} = \frac{1.48 \times 10^{25}}{6.022 \times 10^{23}}\).
Perform the division to find the number of moles of Cu atoms present.
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