Задача 20504.

Determine the amount of substance contained in 9.0 g of water. Find the mass of one molecule. Taking water molecules as tightly packed balls in contact, estimate the volume per molecule and the average distance between their centers. How many times is it less than the average distance between water vapor molecules under normal conditions?

Detailed solution with a brief record of the conditions, formulas and laws used in the solution, derivation of the calculation formula and answer.
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