Question

Sodiun crystallizes in body centered cubic lattice. How many unit cells are present in 10 g of sodium?

Answer 1

Answer:

= 6 x 10^22 unit cells.

Explanation:

PLS MARK ME A BRAINLIEST

Answer 2

Given: Sodium crystalises intobcc

unit cell.

∴z=number of atoms per unit cell

=

2

.

No. of atoms in 4.6g of Na is

N=nN

A

=

23

4.6

×

6.023×

10

23

=1.2046×10

23

atoms where

n=

23

4.6

=

M

m

.

N

A

6.023×

10

23

∴No. of unit cells is

z

N

=

2

1.2046×10

23

=

0.6023×

10

23