A. 1.00gram
B. 4.00gram
C. 8.00gram
D. 6.00gram
Correct Answer:
Option B – 4.00gram
Explanation
Avogadro’s number is an absolute number: there are 6.022×1023 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.
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![What is the mass of 6.02 x 10^24 atoms of magnesium? [Mg = 24, Avogadro constant = 6.02 x 10^23 atoms mol-1]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "What is the mass of 6.02 x 10^24 atoms of magnesium? [Mg = 24, Avogadro constant = 6.02 x 10^23 atoms mol-1]")
