... . The three remaining experimental setups did not have any difference that can be seen with the naked eye. They all appear the same. The mouthwash-H20 solution was, in a way, effective but not that economical. A bottle of mouthwash (250mL) that has a price of Php 110.00 can be used ... of this investigatory project is to know whether we can use mouthwash as a hair rinse. A mouthwash is defined as a non-sterile aqueous solution used mostly for its deodorant, refreshing or antiseptic effect. Mouthwashes or rinses are designed to reduce oral bacteria, remove food particles, temporarily ... ...

• Word Count: 1618
• Approx Pages: 6
• Has Bibliography
• Grade Level: High School

... (l) à Na1+ (aq) + OH1- (aq) NH4OH (aq) ß -> NH41+ (aq) + OH1- (aq) double arrow indicates ionization of weak base ammonium hydroxide Thus bases are defined as substances that release hydroxide ions in solution. It is these OH1- (aq) ions that are responsible for the properties of bases. How Bases are Prepared: Bases may be prepared by the reaction of water and very reactive ... to form hydrogen and hydroxide ions (remember that water is a weak electrolyte): Na2CO3 (s) à 2 Na1+ (aq) + CO32- (aq) HOH à H1+ (aq) + OH1- (aq) 2) Thus, the following particles may be present in a sol...

• Word Count: 2035
• Approx Pages: 8
• Grade Level: High School

... to convert the calcium citrate to calcium sulphate and citric acid. The calcium sulphate is removed by filtration and the citric acid solution is further purified. Crystallization of citric acid from a hot aqueous solution yields anhydrous citric acid; crystallization from a cold solution yields the monohydrate. Citric is widely used in the food and pharmaceutical industries. In foods it is used primarily to produce a ... highly volatile liquid, boiling at 26 degrees Celsius. Some of the cyanides like NaCN and KCN are produced commercially by neutralization of HCN with sodium or potassium...

• Word Count: 1581
• Approx Pages: 6
• Has Bibliography
• Grade Level: Undergraduate