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Solubility of Sodium Ionic Substances in water Aim: To investigate the solubility of sodium ionic compounds. Hypothesis: If the substance has a higher electronegativity then it will be more soluble than the other compounds. This is because the compounds that have higher electro negativity will take far more of the compound to create a saturated solution. As the substances with a higher electronegativity will react more with water meaning that they will be more soluble. Variables: Independent: * Sodium Ionic Compound Dependant: * Solubility of compound in water Controlled: * Amount of water * Temperature of water * Apparatus: * Sodium Carbonate (25g) * Sodium Hydrogen Carbonate (25g) * Sodium Phosphate (25g) * Sodium Sulfate (25g) * Sodium Sulfite (25g) * Glass beaker (100mL x3) * Spatula (x2) * Glass Rod (x2) * Thermometer * Electronic Balance * Plastic Beaker (50mL x2) * Distilled Water Method: 1. Into the glass beaker add 50mL of distilled water. Check the temperature and make sure that it is at room temperature. 2. Using the electronic balance (making...

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