Write a short note on Avogadro's Hypothesis and its applications.
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Solution
Avogadro's - Hypothesis:
Avogadro's hypothesis states that the volume of a gas is directly proportional to the number of molecules of the gas.
This is represented by the formula, V∝N
Applications of Avogadro's hypothesis: 1) In explaining Gay Lussac's law of gaseous volumes. 2) In determining the atomicity of gasses. 3) In determining the molecular formula of a gas 4) In establishing the relationship between relative molecular mass and vapor density.