Chemistry

Problem

A beaker contains 50.0 mL of 0.0500 M Ca(NO₃)₂ at 25 °C. What minimum volume of 0.100 M NaF must be added (assume volumes are additive) before CaF₂(s) just begins to form? The solubility-product constant for CaF₂ is

K_{sp}=3.9\times10^{-11}

Browse the problem library