A student finds that 0.020 g of CaF₂ dissolves completely in 50.0 mL of water at 25…
CHEMISTRY · Single correct · AP · Chemistry · Equilibrium · Equilibrium
Problem
A student finds that 0.020 g of CaF₂ dissolves completely in 50.0 mL of water at 25 °C to produce a saturated solution. What is the Ksp of CaF₂ at this temperature? (Molar mass of CaF₂ = 78.07 g mol⁻¹)
(a) 2.7×10−7
(b) 5.4×10−7
(c) 1.3×10−7
(d) 4.0×10−6