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Packing of Na^+ " and " Cl^- ions in sod...

Packing of `Na^+ " and " Cl^-` ions in sodium chloride is depicted by the given figure. Choose the correct option regarding formula mass of sodium chloride.
(A) in solid state, sodium chloride does not exist as a single entity (B) formula mass of NaCl is 68.0u (C) formula mass of NaCl is the sum of atomic masses of Na and Cl (D) both A and C

A

In the solid, sodium chloride does not exist as a single entity.

B

Formula mass of NaCl is 68.0 u.

C

Formula mass of NaCl is the sum of atomic masses of Na and Cl

D

Both (a) and (c)

Text Solution

Verified by Experts

Formula mass of NaCl = Atomic mass of Na + Atomic mass of Cl
=23.0 u + 35.5 u = 58.5 u
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