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 When we consider solutions of species like ions or other solutes,

we can also think about the effective volume for each dissolved solute molecule. For example, a solution of sodium ions where the concentration of sodium ions is 10-6 Molar (1 µM) corresponds to having 10-6 moles of sodium ions in 1 Liter of solution. By taking the reciprocal, and converting units, one can determine the number of sodium ions in a particular volume.
a) For a solution with solute concentration 0.1 Molar (0.1 mole/liter, or 100 mM), what is the volume in cubic nanometers per each solute molecule? 
b) What is the cube root of the volume found in part 2a.? (Note that this value would correspond to the approximate separation distance between molecules at 0.1 Molar concentration)
Hope to hear from you, thanks

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Subject: Chemistry, Science

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