1.

Iron has density of 7.86 gcm^(-3)and an atomic mass of 55.85 u. The volume occupied by 1 mol of Fe is

Answer»

`22.8 cm^3 "mol"^(-1)`
`7.11cm^3 "mol"^(-1)`
`3.64 xx 10^24 cm^3 "mol"^(-1)`
`5.26 cm^3 "mol"^(-1)`

SOLUTION :Molar VOLUME= molar mass/density
` = (55.85 g "mol"^(-1) )/(7.86 g cm^(-3) )= 7.11 cm^3 "mol"^(-1)`


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