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Understanding Sodium Bisulfate Molecular Weight and Applications Sodium bisulfate, also known as sodium hydrogen sulfate, is a white crystalline powder with a wide range of applications across various industries. Its molecular formula is NaHSO₄, indicating that it is composed of sodium (Na), hydrogen (H), sulfur (S), and oxygen (O) atoms. In this article, we will explore the molecular weight of sodium bisulfate, its properties, and its diverse uses. Molecular Weight of Sodium Bisulfate The molecular weight of sodium bisulfate (NaHSO₄) can be calculated by summing the atomic weights of its constituent elements. The atomic weights of the elements involved are approximately as follows - Sodium (Na) 22.99 g/mol - Hydrogen (H) 1.01 g/mol - Sulfur (S) 32.07 g/mol - Oxygen (O) 16.00 g/mol (there are four oxygen atoms in the formula) Calculating the molecular weight - Sodium 1 x 22.99 = 22.99 g/mol - Hydrogen 1 x 1.01 = 1.01 g/mol - Sulfur 1 x 32.07 = 32.07 g/mol - Oxygen 4 x 16.00 = 64.00 g/mol Adding these together gives \[ \text{ Molecular Weight of NaHSO₄} = 22.99 + 1.01 + 32.07 + 64.00 = 120.07 \, \text{ g/mol} \] Thus, the molecular weight of sodium bisulfate is approximately 120.07 g/mol. This information is crucial for scientists and industry professionals as it aids in the calculation of molar concentrations and formulation of chemical mixtures. Properties of Sodium Bisulfate Sodium bisulfate is a hygroscopic compound, which means it can absorb moisture from the atmosphere. It is soluble in water, producing a mildly acidic solution due to the presence of bisulfate ions (HSO₄⁻). The pH of a sodium bisulfate solution typically ranges from 1 to 2, making it highly acidic. This characteristic underlines its utility in a variety of applications, especially in industries where pH control is vital. sodium bisulfate mw In terms of stability, sodium bisulfate is stable under normal conditions but can decompose when heated to high temperatures, releasing sulfur dioxide (SO₂) and water (H₂O). This decomposition is an important consideration for safety in storage and handling. Uses of Sodium Bisulfate Sodium bisulfate serves multiple purposes across different sectors. Below are some of its notable applications 1. pH Adjustment Sodium bisulfate is often employed to lower the pH of swimming pools, hot tubs, and industrial water systems. Maintaining the proper pH is essential for preventing equipment corrosion and ensuring safe water conditions. 2. Cleaning Agents Due to its acidic nature, sodium bisulfate is used in cleaning and descaling products. It effectively removes deposits of grease, lime, and mineral scales from surfaces, which is particularly beneficial in food processing and industrial settings. 3. Chemical Manufacturing In the chemical industry, sodium bisulfate serves as a precursor for the production of other chemicals, such as sodium sulfate and hydrochloric acid. It is also used in the synthesis of various organic compounds. 4. Food Industry Sodium bisulfate functions as a food additive, designated as E514. It is utilized as a preservative and acidity regulator in certain food products. Its ability to act as a disinfectant contributes to its use in food processing. 5. Laboratory Use In laboratory settings, sodium bisulfate is employed to prepare buffer solutions and maintain pH levels during chemical experiments. Its solubility and stability make it a valuable reagent in various analytical procedures. 6. Agriculture The compound is applied in agriculture to regulate soil pH and improve nutrient availability for crops. It supports the growth of plants in acidic soils, aiding in overall agricultural productivity. Conclusion Sodium bisulfate is a versatile chemical with a diverse application range stemming from its unique properties and molecular weight characteristics. Understanding its molecular weight, approximately 120.07 g/mol, is vital for professionals working in chemistry, industry, and agriculture. Whether it’s adjusting pH levels, acting as a cleaning agent, or serving in chemical synthesis, sodium bisulfate continues to play a significant role in both commercial and laboratory contexts. As the demand for effective chemical solutions grows, the importance of sodium bisulfate in various fields is likely to increase.

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