The mass of one Avogadro number of helium atoms is?
Question
The mass of one Avogadro number of helium atoms is?
Options
A)
1.00gram
B)
4.00gram
C)
8.00gram
D)
6.00gram
The correct answer is 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.
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