DATA TABLE: PROPERTIES OF SOAPS AND DETERGENTS Test Detergent Commercial Soap Pa
ID: 575405 • Letter: D
Question
DATA TABLE: PROPERTIES OF SOAPS AND DETERGENTS Test Detergent Commercial Soap Paper Your Soap Emulsifying Properties clo Clady a ovec Calcium lon yon Magneslum lon Iron (III) lon Sodium lon ClerClor Emulsifying Properties with Calcium Ion clous Emulsifying Properties with Sodium Ion loudon TOP on QUESTIONS Hard water is considered to be water containing calcium ions. In what ways does your data support or fail to support the view that hard water is undesirable because of its poor cleaning ability? 1. lon exchangers usually substitute sodium ions for calcium ions. Does this process seem reasonable to eliminate any problems of hard water? Why or why not? 2.Explanation / Answer
1. With commercial soap calcium and Magnesium ions formed cloudy on top/bottom. Hence the water is considered as hard water. With emulsifying properties cloudy all over, but my soap is failed to detect sodium, calcium and Magnesium ions as i have observed a clear solution. It does not mean that the water is soft, this could be due to the pH of my soap is alkaline (pH ~ 8). Overall the water under observation given cloudy with all soaps with respect to emulsifying properties. Hence the water is hard water.
2. Using Zeolite cation exchangers always replace Mg2+ & Ca2+ with Na+ ions. Once all the Na+ ions in zeolite ion excahnger have been consumed no longer it will work, so called Exhausted resin. Sodium ions containing soft water cannot be used for persons suffering from blood pressure (B.P patients) and also this water cannot be used in electrolytes, batteries and in boilers. The best method is complete cation-anion organic resin excanger only, here Mg2+ & Ca2+ are replaced by H+ ions, and Cl-, NO3-, SO42-, HCO3- and CO32- are replaced by OH- ions. These two H+ & OH- ions combine together to form H2O only.
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