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The density of solid argon is 1.65 g/mL ...

The density of solid argon is 1.65 g/mL at `-233^(@)C`. If the argon atom is assumed to be sphere of radius `1.54xx10^(-8)cm`, what percentage of solid argon is apparently empty space? (At. wt. of Ar = 40).

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The correct Answer is:
`62.1 %`
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