Many metal ions are precipitated from solution by the sulfide ion. As an example, consider treating a solution of copper(II) sulfate with sodium sulfide solution: CuSO4(aq) +Na2S(aq)image from custom entry tool CuS(s)+Na2SO4(aq) What volume of .105 M Na2S solution would be requiredto precipitate all the copper(II)ion from 27.5mL of.121M CuSO4 solution?