How many nucleons are present in one mole of this isotope of lithium? (L = 6.02 × 1023)
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The number of nucleons are present in one mole of this isotope of lithium is 42.14 × 10²³
Explanation:
First, we need to find the number of atoms in 1 mole of lithium.
⇒ 1 mole of lithium × (6.02 × 10²³ atoms of lithium)/(1 mole of lithium)
Thus, 6.02 × 10²³ atoms of lithium is present in one mole of lithium.
Number of nucleons is total number of protons and neutrons.
N = P + Neu
Number of protons in isotope of lithium = 3
Number of neutrons in isotope of lithium = 4
On substituting the values, we get,
N = 3 + 4 = 7
Thus, 7 nucleons are present in 1 atom of isotope of lithium.
Number of nucleons in 1 mole of isotope of lithium is:
⇒ 7 × 6.02 × 10²³ = 42.14 × 10²³
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