Chemistry

Chemistry

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) 2.7×10−72.7\times10^{-7} b) 5.4×10−75.4\times10^{-7} c) 1.3×10−71.3\times10^{-7} d) 4.0×10−64.0\times10^{-6}

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