NEET Exam Model Paper 13

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Question : 5 of 180

Marks: +1, -0

NaCl is doped with 2×10–3 mol % SrCl2 , the concentration of cation vacancies is

12.04×1018mol–1
10.01×108mol–1
12.04×1020mol–1
4.02×1018mol–1

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