1. D

    Unknown salts project

    Hey everyone, I have a 4 weeks lab project in which we're given two little bottles of white powders. A) is made out of two different salts and B) is made from the same 2 salts that are in A + another salt. The 16 different salts are: NaI, K2SO4, KI, CaCO3, MgCl2, NaCl, NaSO4, Al2(SO4)3, CaCl2...
  2. T

    Preparation of salts by titration

    Which of the following salts can be prepared by an acid-alkali titration method. A) aluminium sulfate B) ammonium sulfate C) copper(ii) sulfate D) iron(ii) sulfate I have no idea how to start.... Do I have to look at the solubility of each? Or what?