JEE Main 202117 Mar, Evening shiftChemistryMediumSolid State42× since 2002
KBr is doped with 10^5 mole percent of SrBr₂. The number of cationic vacancies in 1g of KBr crystal is ____________ 10¹⁴. (Round off to the Nearest Integer).
[Atomic Mass : K : 39.1 u, Br : 79.9 u N_A = 6.023 10²³]