The mass of one Avogadro number of helium atoms is?
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Correct Answer: Option B
Explanation:
Avogadro's number is an absolute number: there are 6.022×10\(^23\) elementary entities in 1 mole.
Helium has a molar mass of 4.0 grams per mole. So one mole of helium has a mass of 4.0 grams.
Avogadro's number is an absolute number: there are 6.022×10\(^23\) elementary entities in 1 mole.
Helium has a molar mass of 4.0 grams per mole. So one mole of helium has a mass of 4.0 grams.