If NaCl is doped with 10-3 mol - of SrCl 2- what is the concentration of cation vacancies-

It is given that NaCl is doped with 10−3 mol This means that 100 mol of NaCl is doped with 10−3 mol of SrCl2. Therefore, 1 mol of NaCl is doped withmol of SrCl2 ...

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Standard XII

Chemistry

Hydration Enthalpy and Lattice Enthalpy (Group 2)

If NaCl is do...

Question

If NaCl is doped with 10⁻³ mol % of SrCl₂, what is the concentration of cation vacancies?

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Solution

It is given that NaCl is doped with 10⁻³ mol% of SrCl₂.

This means that 100 mol of NaCl is doped with 10⁻³ mol of SrCl₂.

Therefore, 1 mol of NaCl is doped withmol of SrCl₂

= 10⁻⁵ mol of SrCl₂

Cation vacancies produced by one Sr²⁺ ion = 1

Hence, the concentration of cation vacancies created by SrCl₂ is 6.022 × 10⁸ per mol of NaCl.

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If NaCl is doped with 10−3 mol % of SrCl2, what is the concentration of cation vacancies?

If NaCl is doped with 10⁻³ mol % of SrCl₂, what is the concentration of cation vacancies?