Home
Class 12
CHEMISTRY
The number of unit cells in 58.5 g of Na...

The number of unit cells in `58.5 g` of `NaCl` is nearly

A

`6xx10^(20)`

B

`3xx10^(22)`

C

`1.5xx10^(23)`

D

`0.5xx10^(24)`

Text Solution

Verified by Experts

The correct Answer is:
C
`58.5 g (1 "mol")` of NaCl contains
`=6.022xx10^(23)` units
One unit cell constains 4 NaCl units
`:.` No of unit cells present
`=(6.022xx10^(23))/4=1.5xx10^(23)`
Promotional Banner

Similar Questions

Explore conceptually related problems

NaCl has a crystal structure containing face-centred cubic unit cells. The number of unit cell in 1.0 g of NaCl is-

Calculate the number of unit cells in 8.1 g of aluminium if it crystallises in face-centred cubic (fcc) structure. (Atomic mass of Al = 27 g*mol^(-1) )

An element (atomic mass = 31) crystallises in a cubic structure. The density of the metal is 5.4g*cm^(-3) . The number of unit cells is 3.1g of metal is 6.022xx10^(22) . The number of atoms per unit cell is-

The number of unit cells in 1.08g of an element (atomic mass 108) forming cubic crystal, is 1.5057xx10^(21) . The number of particles in the unit cell is-

Sodium crystallises in a bcc lattice having unit cell with an edge length of 4.29Å. Calculate the number of unit cells present in 2.3g of Na metal. Determine the number of atoms present in 1 cc of unit cell.

Sodium crystallises in b.c.c unit cell. Calculate the approximate number of unit cells in 9.2 g of solium (Atomic mass of Na = 23u).

Metallic gold (Au) crystallises in face-centred cubic lattice. What is the number of unit cells in 2.0g of gold? [Ae=197]

Sodium crystallises in body centred cubic unit cell. What is the approximate number of unit cells in 4.6 g of sodium ? Given that the atomic mass of sodium is 23 g mol^(-1) .

An element (density=7.2 g cm^(-3) crystallises in a body centred cubic structure its unit cell edge length 2.88 overset@A . Calculate the number of atoms and the number of unit, cells present in 156 g of the element.

What is the number of unit cells in 6.4g of X (atomic mass = 64) (X crystallises in body centred cubic-lattice)