how do you prepare an insoluble salt?
Answers
Explanation:
an insoluble salt can be made by mixing two solutions of soluble salts in a process is called precipitation. The method is quite simple – illustrated above, assuming in this case the insoluble salt is colourless–white. One solution contains the 1st required ion, and the other solution contains the 2nd required ion.
Silver nitrate and sodium chloride are both soluble. When their solutions are mixed together, soluble sodium nitrate and insoluble silver chloride are made:
silver nitrate + sodium chloride → sodium nitrate + silver chloride
AgNO3(aq) + NaCl(aq) → NaNO3(aq) + AgCl(s)
The silver chloride appears as tiny particles suspended in the reaction mixture - this is the precipitate. The precipitate can be filtered, washed with water on the filter paper, and then dried in an oven.