Chemistry

Problem

How many unit cells are present in a cubic shaped ideal crystal of NaCl of mass 1.0 g? a.

1.28 \times 10^{21}

unit cells b.

1.71 \times 10^{21}

unit cells c.

2.57 \times 10^{21}

unit cells d.

5.14 \times 10^{21}

unit cells