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At STP density of Cl(2) is 3.207gm*cc^(-...

At STP density of `Cl_(2)` is `3.207gm*cc^(-)`. Calculate its molar mass.

Text Solution

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From ideal gas equation, we have, `PV=nRT`
or, `P=(wRT)/(M) or, P=(wRT)/(VM) or, P=ptimes(RT)/(M)` `(p=(W)/(V)`=density)
`thereforeM=(pRT)/(P)=(3.20times0.082times273)/(1)=71.8`
`therefore` Molar mass of `Cl_(2)=71.8`
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