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8 May, 05:06

A helium balloon contains 0.48 g of helium. Given the molecular weight of helium is 4.0g/mol, how many moles of helium does it contain?

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  1. 8 May, 08:37
    0
    1 mol = 4g

    X mol = 0.48g

    0.48/4 = 0.12 moles of Helium
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