The mass of one Avogadro number of helium atoms... - JAMB Chemistry 2021 Question
The mass of one Avogadro number of helium atoms is?
A
1.00gram
B
4.00gram
C
8.00gram
D
6.00gram
correct option: b
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.
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