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Understanding the pH of 10% Sodium Hydroxide (NaOH) Solution Sodium hydroxide (NaOH), commonly known as lye or caustic soda, is a highly versatile compound widely used in various industries, from manufacturing to food production. One interesting aspect of NaOH is its pH level, particularly when prepared in a 10% solution. Understanding the pH of 10% Sodium Hydroxide (NaOH) Solution In a 10% NaOH solution, sodium hydroxide is dissolved in water at a concentration of approximately 1 M (molar). This high concentration of hydroxide ions (OH-) results in a significant increase in the solution's pH. Typically, a 10% NaOH solution has a pH of around 13 to 14, placing it squarely in the alkaline (or basic) range. This makes it a powerful base capable of neutralizing acids. 10 mm naoh ph The high pH of a 10% NaOH solution has several practical applications. In household tasks, it is commonly used as a drain cleaner, as it effectively breaks down organic materials and helps to dissolve blockages. In industrial settings, it plays a crucial role in the manufacture of paper, textiles, and soaps. Its ability to saponify fats and oils makes it invaluable in soap production, while its strong alkaline properties are essential for pulping wood in the paper-making process. However, the high pH also means that handling 10% NaOH solutions requires caution. Sodium hydroxide can cause severe chemical burns upon contact with skin, and its vapors can be harmful if inhaled. Therefore, proper personal protective equipment, such as gloves and goggles, is essential when working with this substance. Moreover, the environmental impact of sodium hydroxide should not be overlooked. Disposing of NaOH solutions improperly can lead to environmental contamination, affecting water sources and ecosystems. Thus, safe disposal practices are critical. In conclusion, a 10% sodium hydroxide solution is an exceptionally alkaline solution with a pH between 13 and 14, making it a valuable tool in both household and industrial applications. Understanding its properties and handling it safely is vital to harnessing its benefits while minimizing risks. Whether used for cleaning or in manufacturing processes, sodium hydroxide remains an essential chemical in our modern world.

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