The internuclear distance in NaCl is 0.282 nm and density of solid NaCl (molar mass…

CHEMISTRY · Single correct · ISC · Chemistry · Some Basic Concepts of Chemistry · Dimensional analysis

Problem

The internuclear distance in NaCl is 0.282 nm and density of solid NaCl (molar mass 58.5) is

2.17 \times 10^3 \text{ kg m}^{-3}

. If a unit cell of NaCl has 4 formula units, the Avogadro's number is : (1)

6.01 \times 10^{23}

(2)

6.02 \times 10^{23}

(3)

6.03 \times 10^{23}

(4)

6.04 \times 10^{23}

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