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Alenkinab
[10]
3 years ago
13
What is the mass of 18.8 moles of helium atoms?
Chemistry
Answer
Comment
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1
answer:
Firlakuza
[10]
3 years ago
5
0
18.8 mol= mass of He X atomic mass
18.8 mol= mass of He X 4 g mol^-1
mass of He= (18.8 X 4)g = 75.2 g
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