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Answer :
The number of atoms in 1.7 moles of calcium is 1.06 × 10²â´ atoms.
What is Avogadro's number?
Avogadro's number, denoted as
N(A) is the number of atoms, ions, or molecules in one mole of a substance. It is approximately
6.23 × 10²³ entities per mole.
This constant is fundamental to understanding the relationship between mass, number of particles, and moles.
If 6.23 × 10²³ atoms are in 1 mole of calcium, therefore in 1.7 moles there will be ;
1.7 × 6.23 × 10²³
= 1.06 × 10²â´ atoms.
Therefore, the number of atoms in 1.7 moles of calcium is 1.06 × 10²â´ atoms.
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Rewritten by : Jeany
Answer:
1 mole = 6.02 x 1023 atoms
Explanation:
6.5 moles 6.02 x 1023 atoms = 3.9 x 1024 atoms
