Question

100 kg of a sample of argentiferous lead containing 0.5% Ag is melted and then allowed to cool.If eutatic contains 2.6%Ag,1) what mass of eutectic will be formed and 2) what mass of lead will seperate out?

Answer 1

$Lead = 100 × 0.005 = 0.5 kg$

Mass of eutectic $= 0.5 × 0.026 =0.013kg$