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Estimate the size of fluorine (liquid) molecule, given its atomic mass 19.01u and density 1.14kgm^(-3).

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Answer Text

Solution :
Volume of a single molecule `=("mass of each molecule")/("density")` <br> `i.e " " (4)/(3)piR^(3)=(19xx1.66xx10^(-27))/(1.14)` <br> `R_(3)=(3xx19xx1.66xx10^(-27))/(4xx3.142xx1.14)=6.604xx10^(-27)` <br> `or " " R=(6.604)^(1/2)xx10^(-9)m` <br> `R = 0.1876Å <br> Radius of flourine molecule 0.1876Å

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