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Precipitation, silver chloride, silver nitrate and sodium chloride.

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Introduction

Precipitation: Portfolio Purpose of activity Preparing Silver Chloride. Silver nitrate and sodium chloride are both colourless solutions. When they are mixed they react. The metal ions in the compounds are exchanged. Sodium nitrate and silver nitrate are the products. Silver chloride does not dissolve in the solution instead it forms solid bits in the solution it is a precipitate. According to the equation insoluble salts can be prepared from solutions of soluble salts. AB + CD = AD + CB The insoluble salt, which comes out of the solution, is called a precipitate. Silver chloride is insoluble so it can be obtained by adding Silver nitrate (soluble) to sodium chloride (soluble) ...read more.

Middle

Then I weighted the filter paper and recorded its mass. This is because; the silver chloride is insoluble in the water and may be separated by filtration. I filtered the solution into a beaker. I washed the precipitate in the filter paper with distilled water to remove soluble sodium nitrate and any unreacted silver nitrate and sodium chloride. Then the liquid filtrate of sodium nitrate in the beaker is disgarded. I kept the residue of silver chloride crystals on the filter paper and left it to dry. Measurements AgNO3 (aq) + NaCl (aq) = NaNO3 (aq) + AgCl(s) 1 mole of AgNO3 is required to produce 1 mole of AgCl So 108 + 14 (3 * 16) ...read more.

Conclusion

Medicinal for bacterial control. Catalyst manufacture Mirrors Silver chloride's preparation is important commercially for the photographic industry. Silver chloride also has interesting optical properties as it can be made transparent. It also is cement for glass. Observation during procedure During the experiment, I was observed when I added the silver nitrate to the sodium chloride it started to react and fizzed because of this reaction we produced silver chloride and sodium nitrate. I collected all of my silver chloride I did not leave any in the beaker but I collected it on my filter paper. Summary In the experiment I prepared silver nitrate by a precipitation reaction between silver nitrate and sodium chloride. I filtered the silver nitrate and calculated the yield. Shayan Bashir10H 33238 precipitation ...read more.

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