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What is the mass of 4. 00 moles of helium, the gas commonly used to fill party balloons and lighter-than-air ships?
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27 votes
27 votes
What is the mass of 4. 00 moles of helium, the gas commonly used to fill party balloons and lighter-than-air ships?

User Hyperknot
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1 Answer

22 votes
22 votes
16g.

mol=gram/molar mass
4.00mol=g/4.0 molar mass of Helium
4mol*4g/mol= 16grams

User Eeglbalazs
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