A unit of cell of sodium chloride has four formula units. The edge length of the unit cell is `0.564 nm`. What is the density of sodium chloride?

Question

A unit of cell of sodium chloride has four formula units. The edge length of the unit cell is `0.564 nm`. What is the density of sodium chloride?

A unit of cell of sodium chloride has four formula units. The edge length of the unit cell is `0.564 nm`. What is the density of sodium chloride?
A. `"3.89 g cm"^(-3)`
B. `"2.16 g cm"^(-3)`
C. `"3 g cm"^(-3)`
D. `"1.82 g cm"^(-3)`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`d=(ZxxM)/(a^3xxN_A)=(4xx58.5)/((5.64xx10^(-8))^3xx6.023xx10^23)`
`="2.16 g cm"^(-3)`

4 views Answered 2023-02-05 15:29