Derive tha relation between density and molermass
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Answer:
Vapor density of gas = Molar mass of gas / 2
Explanation:
Vapor density of gas = Density of gas / density of standard gas
standard gas ⇒ hydrogen
Vapor density of gas = Dgas / DH₂ {D ⇒ density}
density = mass / volume
VD of gas = mass of certain volume of gas / mass of some volume of H₂
= mass of 22.4L of gas @ STP/ mass of 22.4L of H₂ @ STP
mass of 22.4L of gas @ STP = Molar mass of gas
VD of gas = Molar mass of gas / Molar mass of H₂
VD of gas = Molar mass of gas / 2
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