The Solubility of SrF₂ in Water (Given K_sp = 2

The solubility of SrF₂ in water (given K_sp = 2.6 × 10^-9 ) is ________.

A) 4.3 × 10^{-4 M}
B) 1.2 × 10^{-4 M}
C) 7.6 × 10^{-5 M}
D) 8.7 × 10^{-4 M}