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Molar Volume of Sodium

You can estimate the average volume of space it occupies using basic geometry.

Estimate the volume, V, of one sodium atom (Na) using its metallic radius of 186  pm.

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Posted on October 10, 2013, in Question and tagged , , , , . Bookmark the permalink. 2 Comments.

  1. Volume = 4/3(3.14)r^3

    (186^3)(4/3)(3.14) = 2.69*10^7pm^3

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  2. Using your answer from above, calculate the volume of a mole of Na atoms (in cm3/mol). Assume that the entire volume is occupied by Na atoms leaving no gaps or holes between adjacent atoms.

    16.3 cm^3/mol

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