Explainable avagadros hypothesis and avagadros number as it relates to figuring

Question

Explainable avagadros hypothesis and avagadros number as it relates to figuring this out in lab with stearic acid being dropped on watch glass plates that has deionized water in it.. Talk about how to calculate this number with the assumption that the molecule can have two different shapes - a square and rectangular. Explainable avagadros hypothesis and avagadros number as it relates to figuring this out in lab with stearic acid being dropped on watch glass plates that has deionized water in it.. Talk about how to calculate this number with the assumption that the molecule can have two different shapes - a square and rectangular.

Explanation / Answer

Avagadros hypothesis states that equal volumes of all gases at the same temperature and pressure contain same numbrer of molecules irrespective of the chemical nature of the molecules

Avagadro number is 6.023*1023

First one has to find the volume of stearic acid

Volume ,=(volume of pure acid/volume of solution)*volume of solution used

mass =volume* density

moles= mass/molecularvweight

area of ostearic acid film =area * mass of the film/ mass of area to be compared

for a cubical shape area = area of square and for rectabgular shape, area = length* width

volume. V =area * thickness

this is the thickness of monolayer

thickness can be measured

Volume of molecule = length* width* thickness ( for a rectangular shape)

=(thickness)3 for a rectangular shape

Avagadro number = V/Volume of single molecule

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