Home
Class 12
CHEMISTRY
An element having atomic mass 107.9 u ha...

An element having atomic mass 107.9 u has FCC lattice. The edge length of its unit cell is 408.6 pm. Calculate density of the unit cell.
`["Given, "N_(A)=6.022xx10^(23)"mol"^(-1)]`.

Text Solution

Verified by Experts

`d=(zm)/(a^2NA)=(4xx109.9)/((408.6)^3xx6.022xx10^(23))=1.07xx10^(-29)g//cm^3`
Promotional Banner

Topper's Solved these Questions

  • EXAM QUESTION PAPER JULY WITH ANSWER (2015)

    SUBHASH PUBLICATION|Exercise PART E|21 Videos

  • EXAM QUESTION PAPER JULY WITH ANSWER (2015)

    SUBHASH PUBLICATION|Exercise PART C|14 Videos

  • ELECTROCHEMISTRY

    SUBHASH PUBLICATION|Exercise Problem Section|25 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    SUBHASH PUBLICATION|Exercise Questions|38 Videos

Similar Questions

Explore conceptually related problems

An element having atomic mass 107.9 g mol^(-1) has FCC unit cell. The edge length of the unit cell is 486 pm. Calculate the density of the unit cell.

An element having atomic mass 60 amu. has fcc unit cell. The edge length of the unit cell is 4 xx 10^(2) pm. Find the density of the unit cell.

Silver crystallizes in CCP lattice. The edge length of its unit cell is 408.6 pm. Calculate density of silver (atomic mass of silver is 107.9)

a. Calculate the packing efficiency in a Body Centered Cubic (BCC) lattice. b. Silver forms a ccp lattice. The edge length of its unit cell is 408.6 pm. Calculate the density of silver. (N_(A)=6.022xx10^(23)," Atomic mass of Ag "=108 g mol^(-1))

An element having atomic mass 63.1 g/mol has face centered cubic unit cell with edge length 3.608 xx 10^(-8) cm. Calculate the density of unit cell [Given N_(A) = 6.022 xx 10^(23) atoms/mol].

An element having atomic mass 63.1 g/mol has face centred cubic unit cell with edge length 3.608xx10^(-8)cm . Calculate the density of unit cell. [Given : NA=6.022xx1023" atoms/mol" ].

b) An element crystallizes in a foc lattice. The edge length of the unit cell is 400 pm. Calculate the density of the unit cell. ("molar mass"="60 g mol"^(-1)) ("Avogadro number"=6.02 xx 10^(23))