Doing a review for exams but some word type questions I dont understand, and another question thats not word type. Anybody that can answer please do, I do need to know to do it by Friday morning. Here they are... Question 1.... An industrial plant is confronted with a problem of seperating the metal ions found in a large vat of solution. By analysis, the solution was found to contain varying quanties of silver, barium and Iron(III) ions. Suggest a procedure for seperating the metal ions by precipitation. Question 2.... Fertilizer is used to replace depleted nutrients in soil. Liquid ammonia and ammonium nitrate are used to replace needed nitrogen in the soil. Based on the percentage of nitrogen by mass, which of these would be better fertilizers ? Assume cost is the same (per kilogram). and one number question: A chemist wishes to preare 200ml of a saturated solution of BaF2, the concentration of which is 6.3 * 10-3mol/L. Determine the mass of BaF2 that will be needed to make up the 200mL of solution.