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(Solved): The density of helium in a balloon is \( 1.18 \mathrm{~g} / \mathrm{L} \). If a balloon holds \( 2. ...
The density of helium in a balloon is \( 1.18 \mathrm{~g} / \mathrm{L} \). If a balloon holds \( 2.93 \) \( \mathrm{L} \) of \( \mathrm{He} \), how many atoms of \( \mathrm{He} \) are in the balloon?