The Solubility of Solids

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Lab Report - The Solubility of Solids  Aim; The aim of this lab is to investigate the solubility of table salt (NaCl) in distilled water at different temperatures. Hypothesis  The temperature of the distilled water should definitely have an effect on the solubility of the salt. The higher the temperature of the liquid the more salt we will be able to dissolve. If the temperature of water goes up the particles should move faster and therefore be able to dissolve more salt.. Variables Independent Variable: the temperature of the distilled water. cd. Dependent variable: the solubility of NaCl in distilled water. Control Variable: the amount of distilled water, the pressure, the salt. Materials ® Beaker® 50g of salt® 8 test tubes ® Hotplate.® Distilled water ® Stopper ® Test tube rack® Scale® Thermometer® Graduated cylinder Procedure 
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Measure out 10ml of distilled water using a graduated cylinder and pour the water into a test tube. Repeat this 7 times so that you have 8 test tubes with 10 ml of distilled water in each. Place a thermometer into your first test tube and wait to see what the real temperature of the water is and record it. Using a scale, measure out portions of 0.5g of salt and dissolve them one by one in the distilled water. If it doesn't dissolve by itself, close the tube with a stopper and shake it. Try not to let salt ...

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