The density of is and the length of a side unit cell is as determined by X-ray diffraction

CHEMISTRY · Subjective · AP · Chemistry · Compound Structure and Properties · Compound Structure and Properties

Problem

The density of

\text{KCl}

1.9893 \text{ g cm}^{-3}

and the length of a side unit cell is

6.29082 \text{ \AA}

as determined by X-ray diffraction. Calculate the value of Avogadro's number.