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VITEEE 2013 Solved Paper

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Question : 59

Total: 120

The density of solid argon is 1.65 g per cc at - 233°C. If the argon atom is assumed to be a sphere of radius 1.54 x 10−8 cm, what per cent of solid argon is apparently empty space? (Ar = 40)

16.5%
38%
50%
62%

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