Question

27. Number of unit cells in 0.1 g molecule NaCl is
(1) 0.1 NA
(2) 0.025 NA
(3) 0.5 NA
(4) 0.25 NA​

Answer 1

Hope it helps please mark me as brainliest....

Number of unit cell in 0.1g molecule of NaCl is 0.025Na. ie. option (2)

Answer 2

Answer:

0.025 Na

Explanation:

We know that

g molecules. or. g moles => no. of moles

since Nacl has cubic close packing structure

thus 1 unit cell consists of 4 atom

hence 1 mole consists N/4 unit cell

0.1 mole consists of 0.025 unit cell

Hope it's will helps u