chemistry

SOMEONE CAN PLZ EXPLAIN IN DETAIL HOW TO SOLVE THIS PROBLEM..THNKS



Molar Volume of Sodium
If you assume that an atom is a hard sphere, you can estimate the average volume of space it occupies using basic geometry.




Question


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

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asked by unkname
  1. Isn't the volume of a sphere
    4/3(pi)r3?

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    posted by DrBob222
  2. yes it is .. can u slove it plz

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    posted by unkname
  3. 186 what units? What units do you want the answer?
    (4/3)*3.14*1863 = ??

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    posted by DrBob222
  4. If you assume that an atom is a hard sphere, 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 .

    Express your answer in cubic picometers.

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    posted by robert
  5. The molar mass of Na is 22.99g
    The density of solid sodium is 0.97g/cm^3
    (22.99g/mol) / (0.97g/cm^3) = _____________
    What are the units of the above value

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    posted by dre
  6. Part A: 2.7*10^7
    Part B: 16.3
    Part C: D

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