Answer :
8.00 moles is the total moles of [tex]4.82 * 10^2^4[/tex] atoms of helium gas. So, the correct option is (D).
What are Moles?
The mole is defined as the amount of matter of a system containing as many elementary elements as atoms in 0.012 kg of carbon 12; Its symbol is "Mol". It consists of the amount of a substance which is [tex]6.022 * 10^2^3[/tex] units like particle, atom, ion, molecule etc. of the given substance where a mole measures the number of atoms, ions or molecules.
[tex]Number of moles= \frac{Number of molecules}{Avogadro's number}[/tex]
For above given information,
[tex]Number of moles=\frac{4.82 * 10^2^4}{6.023* 10^2^3}[/tex]
= 0.8002*10= 8.002 moles
Thus, 8.00 moles is the total moles of [tex]4.82 * 10^2^4[/tex] atoms of helium gas. So, the correct option is (D).
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The total moles of 4.82 x 10²⁴ atoms of helium gas is 8 moles . Hence, option (D) is correct.
What is Avogadro constant?
The Avogadro constant is a proportionality factor that compares the number of constituent particles (typically molecules, atoms, or ions) in a sample to the amount of substance in that sample.
1 mole of Helium gas has 6.02 × 10²³.
Hence, 4.82×10²⁴ atoms of Helium gas refers = ( 4.82×10²⁴ ÷ 6.02 × 10²³) moles of helium gas
= 8 moles of helium gas.
The total moles of 4.82 x 10²⁴ atoms of helium gas is 8 moles .
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