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Chemistry
Emilia
12 June, 11:48
What is the mass of 18.8 moles of helium atoms?
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Kamari Juarez
12 June, 13:53
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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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